diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/CertType.java b/src/main/java/com/project/growfit/domain/Goal/entity/CertType.java
deleted file mode 100644
index 625d923..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/CertType.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-public enum CertType {
-    TIMER, CERTIFICATION, DIET, WEIGHT
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalCertDays.java b/src/main/java/com/project/growfit/domain/Goal/entity/Certification.java
similarity index 67%
rename from src/main/java/com/project/growfit/domain/Goal/entity/GoalCertDays.java
rename to src/main/java/com/project/growfit/domain/Goal/entity/Certification.java
index 8e5ee53..fd13c5b 100644
--- a/src/main/java/com/project/growfit/domain/Goal/entity/GoalCertDays.java
+++ b/src/main/java/com/project/growfit/domain/Goal/entity/Certification.java
@@ -1,6 +1,5 @@
 package com.project.growfit.domain.Goal.entity;
 
-import com.project.growfit.global.entity.BaseEntity;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.FetchType;
@@ -10,25 +9,29 @@
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
+import java.time.LocalDateTime;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 @Getter
 @Entity
-@Table(name = "goal_cert_days")
+@Table(name = "goal")
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class GoalCertDays extends BaseEntity {
+public class Certification {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "cert_day_id")
+    @Column(name = "id")
     private Long id;
 
-    @Column(name = "day", nullable = false, length = 5)
-    private String day;
+    @Column(name = "image_url", nullable = false)
+    private String imageUrl;
+
+    @Column(name = "certified_at", nullable = false)
+    private LocalDateTime certifiedAt;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "goal_id")
+    @JoinColumn(name = "goal_id", nullable = false)
     private Goal goal;
 }
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/Goal.java b/src/main/java/com/project/growfit/domain/Goal/entity/Goal.java
index 69e14ea..dea1896 100644
--- a/src/main/java/com/project/growfit/domain/Goal/entity/Goal.java
+++ b/src/main/java/com/project/growfit/domain/Goal/entity/Goal.java
@@ -31,26 +31,20 @@ public class Goal extends BaseEntity {
     @Column(name = "goal_id")
     private Long id;
 
-    @Column(name = "name", nullable = false, length = 100)
+    @Column(name = "name", length = 100, nullable = false)
     private String name;
 
-    @Column(name = "count", nullable = false)
-    private int count;
+    @Column(name = "icon_id", nullable = false)
+    private int iconId;
 
-    @Column(name = "cert_type", nullable = false)
+    @Column(name = "status", nullable = false)
     @Enumerated(EnumType.STRING)
-    private CertType certType;
-
-    @Column(name = "state", nullable = false)
-    private GoalState state;
+    private GoalStatus status;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "goal_type_id")
-    private GoalType goalType;
-
-    @OneToMany(mappedBy = "goal", cascade = CascadeType.ALL, orphanRemoval = true)
-    private List<GoalCertDays> certDaysList = new ArrayList<>();
+    @JoinColumn(name = "weekly_goal_id", nullable = false)
+    private WeeklyGoal weeklyGoal;
 
     @OneToMany(mappedBy = "goal", cascade = CascadeType.ALL, orphanRemoval = true)
-    private List<GoalAcc> goalAccList = new ArrayList<>();
+    private List<Certification> certificationList = new ArrayList<>();
 }
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalAcc.java b/src/main/java/com/project/growfit/domain/Goal/entity/GoalAcc.java
deleted file mode 100644
index b6ebc69..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/GoalAcc.java
+++ /dev/null
@@ -1,40 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-import com.project.growfit.global.entity.BaseEntity;
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.FetchType;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.JoinColumn;
-import jakarta.persistence.ManyToOne;
-import jakarta.persistence.OneToOne;
-import jakarta.persistence.Table;
-import java.time.LocalDate;
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@Entity
-@Table(name = "goal_acc")
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class GoalAcc extends BaseEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "goal_acc_id")
-    private Long id;
-
-    @Column(name = "weekdays", nullable = false)
-    private LocalDate weekdays;
-
-    @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "goal_id")
-    private Goal goal;
-
-    @OneToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "goal_progress_id")
-    private GoalProgress goalProgress;
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalBoard.java b/src/main/java/com/project/growfit/domain/Goal/entity/GoalBoard.java
deleted file mode 100644
index 107aff4..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/GoalBoard.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-import com.project.growfit.domain.User.entity.Child;
-import com.project.growfit.global.entity.BaseEntity;
-import jakarta.persistence.CascadeType;
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.OneToMany;
-import jakarta.persistence.OneToOne;
-import jakarta.persistence.Table;
-import java.util.ArrayList;
-import java.util.List;
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@Entity
-@Table(name = "goal_board")
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class GoalBoard extends BaseEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "goal_board_id")
-    private Long id;
-
-    @OneToOne(mappedBy = "goalBoard", cascade = CascadeType.ALL, orphanRemoval = true)
-    private Child child;
-
-    @OneToMany(mappedBy = "goalBoard", cascade = CascadeType.ALL, orphanRemoval = true)
-    private List<GoalType> goalTypeList = new ArrayList<>();
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalProgress.java b/src/main/java/com/project/growfit/domain/Goal/entity/GoalProgress.java
deleted file mode 100644
index e480154..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/GoalProgress.java
+++ /dev/null
@@ -1,41 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-import com.project.growfit.domain.Diet.entity.Sticker;
-import com.project.growfit.global.entity.BaseEntity;
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.Table;
-import java.time.LocalDateTime;
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@Entity
-@Table(name = "goal_progress")
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class GoalProgress extends BaseEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "goal_progress_id")
-    private Long id;
-
-    @Column(name = "progress_date", nullable = false)
-    private LocalDateTime progressDate;
-
-    @Column(name = "success_status", nullable = false)
-    private SuccessStatus successStatus;
-
-    @Column(name = "sticker")
-    private Sticker sticker;
-
-    @Column(name = "photo")
-    private String photo;
-
-    @Column(name = "weight")
-    private long weight;
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalState.java b/src/main/java/com/project/growfit/domain/Goal/entity/GoalState.java
deleted file mode 100644
index 5e35070..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/GoalState.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-public enum GoalState {
-    BEFORE_PROGRESSING, PROGRESSING, COMPLETE
-    }
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalStatus.java b/src/main/java/com/project/growfit/domain/Goal/entity/GoalStatus.java
new file mode 100644
index 0000000..9859cc7
--- /dev/null
+++ b/src/main/java/com/project/growfit/domain/Goal/entity/GoalStatus.java
@@ -0,0 +1,5 @@
+package com.project.growfit.domain.Goal.entity;
+
+public enum GoalStatus {
+    PENDING, PROGRESS, COMPLETE
+}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/PeriodType.java b/src/main/java/com/project/growfit/domain/Goal/entity/PeriodType.java
deleted file mode 100644
index e0d2c6f..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/PeriodType.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-public enum PeriodType {
-    WEEKLY, MONTHLY
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/RecommendGoal.java b/src/main/java/com/project/growfit/domain/Goal/entity/RecommendGoal.java
deleted file mode 100644
index fec6ad4..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/RecommendGoal.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-import com.project.growfit.global.entity.BaseEntity;
-import jakarta.persistence.Column;
-import jakarta.persistence.Entity;
-import jakarta.persistence.EnumType;
-import jakarta.persistence.Enumerated;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
-import jakarta.persistence.Table;
-import lombok.AccessLevel;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-
-@Getter
-@Entity
-@Table(name = "recommend_goal")
-@NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class RecommendGoal extends BaseEntity {
-
-    @Id
-    @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "recommend_goal_id")
-    private Long id;
-
-    @Column(name = "name", nullable = false, length = 100)
-    private String name;
-
-    @Column(name = "image", nullable = false)
-    private String image;
-
-    @Column(name = "type", nullable = false)
-    @Enumerated(EnumType.STRING)
-    private PeriodType type;
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/SuccessStatus.java b/src/main/java/com/project/growfit/domain/Goal/entity/SuccessStatus.java
deleted file mode 100644
index fbc5ddd..0000000
--- a/src/main/java/com/project/growfit/domain/Goal/entity/SuccessStatus.java
+++ /dev/null
@@ -1,5 +0,0 @@
-package com.project.growfit.domain.Goal.entity;
-
-public enum SuccessStatus {
-    UNCHECK, PROGRESSING, SUCCESS, FAIL, WAIT_COMPLETE
-}
diff --git a/src/main/java/com/project/growfit/domain/Goal/entity/GoalType.java b/src/main/java/com/project/growfit/domain/Goal/entity/WeeklyGoal.java
similarity index 67%
rename from src/main/java/com/project/growfit/domain/Goal/entity/GoalType.java
rename to src/main/java/com/project/growfit/domain/Goal/entity/WeeklyGoal.java
index 99a7f24..c43e9a3 100644
--- a/src/main/java/com/project/growfit/domain/Goal/entity/GoalType.java
+++ b/src/main/java/com/project/growfit/domain/Goal/entity/WeeklyGoal.java
@@ -1,11 +1,10 @@
 package com.project.growfit.domain.Goal.entity;
 
+import com.project.growfit.domain.User.entity.Parent;
 import com.project.growfit.global.entity.BaseEntity;
 import jakarta.persistence.CascadeType;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
-import jakarta.persistence.EnumType;
-import jakarta.persistence.Enumerated;
 import jakarta.persistence.FetchType;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
@@ -23,13 +22,13 @@
 
 @Getter
 @Entity
-@Table(name = "goal_type")
+@Table(name = "weekly_goal")
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
-public class GoalType extends BaseEntity {
+public class WeeklyGoal extends BaseEntity {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    @Column(name = "goal_type_id")
+    @Column(name = "weekly_goal_id")
     private Long id;
 
     @Column(name = "start_date", nullable = false)
@@ -38,14 +37,16 @@ public class GoalType extends BaseEntity {
     @Column(name = "end_date", nullable = false)
     private LocalDate endDate;
 
-    @Column(name = "type", nullable = false)
-    @Enumerated(EnumType.STRING)
-    private PeriodType type;
+    @Column(name = "certification_count", nullable = false)
+    private int certificationCount;
+
+    @Column(name = "is_letter_sent", nullable = false)
+    private boolean isLetterSent = false;
 
     @ManyToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "goal_board_id")
-    private GoalBoard goalBoard;
+    @JoinColumn(name = "parent_id", nullable = false)
+    private Parent parent;
 
-    @OneToMany(mappedBy = "goalType", cascade = CascadeType.ALL, orphanRemoval = true)
+    @OneToMany(mappedBy = "weeklyGoal", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Goal> goalList = new ArrayList<>();
 }
diff --git a/src/main/java/com/project/growfit/domain/User/entity/Child.java b/src/main/java/com/project/growfit/domain/User/entity/Child.java
index 9f12112..d91a8c7 100644
--- a/src/main/java/com/project/growfit/domain/User/entity/Child.java
+++ b/src/main/java/com/project/growfit/domain/User/entity/Child.java
@@ -1,7 +1,6 @@
 package com.project.growfit.domain.User.entity;
 
 import com.project.growfit.domain.Diet.entity.Diet;
-import com.project.growfit.domain.Goal.entity.GoalBoard;
 import com.project.growfit.global.entity.BaseEntity;
 import jakarta.persistence.*;
 import lombok.AccessLevel;
@@ -57,10 +56,6 @@ public class Child extends BaseEntity {
     @OneToMany(mappedBy = "child", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Diet> dietList = new ArrayList<>();
 
-    @OneToOne(fetch = FetchType.LAZY)
-    @JoinColumn(name = "goal_board_id")
-    private GoalBoard goalBoard;
-
     @OneToMany(mappedBy = "child", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<BmiAnalysis> analysisList = new ArrayList<>();
 
diff --git a/src/main/java/com/project/growfit/domain/User/entity/Parent.java b/src/main/java/com/project/growfit/domain/User/entity/Parent.java
index 4f0834b..d86acf5 100644
--- a/src/main/java/com/project/growfit/domain/User/entity/Parent.java
+++ b/src/main/java/com/project/growfit/domain/User/entity/Parent.java
@@ -1,5 +1,6 @@
 package com.project.growfit.domain.User.entity;
 
+import com.project.growfit.domain.Goal.entity.WeeklyGoal;
 import com.project.growfit.domain.board.dto.request.ProfileRequestDto;
 import com.project.growfit.domain.board.entity.Bookmark;
 import com.project.growfit.domain.board.entity.Comment;
@@ -63,6 +64,9 @@ public class Parent extends BaseEntity {
     @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true)
     private List<Bookmark> bookmarkList = new ArrayList<>();
 
+    @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true)
+    private List<WeeklyGoal> weeklyGoalList = new ArrayList<>();
+
     public Parent(String email, String name, String profileImage, String provider, ROLE role) {
         this.email = email;
         this.nickname = name;
diff --git a/src/main/java/com/project/growfit/domain/notice/entity/NoticeType.java b/src/main/java/com/project/growfit/domain/notice/entity/NoticeType.java
index 23c6b0f..8dd0a81 100644
--- a/src/main/java/com/project/growfit/domain/notice/entity/NoticeType.java
+++ b/src/main/java/com/project/growfit/domain/notice/entity/NoticeType.java
@@ -1,9 +1,6 @@
 package com.project.growfit.domain.notice.entity;
 
 public enum NoticeType {
-    LETTER,
     GOAL_COMPLETED,  // 아이가 주간 목표를 모두 달성 완료한 경우: 아이 -> 부모
     PRAISE_LETTER,  // 부모가 아이에게 편지를 작성 완료한 경우: 부모 -> 아이
-    MEAL,
-    GOAL
 }