diff --git a/test/common/envPreCheck/run_env_preCheck.py b/test/common/envPreCheck/run_env_preCheck.py
index daae41032..95f08cc55 100644
--- a/test/common/envPreCheck/run_env_preCheck.py
+++ b/test/common/envPreCheck/run_env_preCheck.py
@@ -10,6 +10,7 @@
 from typing import Any, Dict, List, Optional, Tuple
 
 import yaml
+from common.config_utils import config_utils
 
 CODE_ROOT = Path(__file__).resolve().parent
 Custom_SSH_DIR = (CODE_ROOT / "ssh_keys").resolve()
@@ -18,23 +19,22 @@
 LOCAL_SSH_KEY = Custom_SSH_DIR / "id_rsa"
 LOCAL_SSH_KEY_PUB = Custom_SSH_DIR / "id_rsa.pub"
 
-config_file = Path(__file__).parent.parent.parent / "config.yaml"
-with open(config_file, "r", encoding="utf-8") as f:
-    config = yaml.safe_load(f)
-    MASTER_IP = config.get("Env_preCheck", {}).get("master_ip", "")
-    WORKER_IP = config.get("Env_preCheck", {}).get("worker_ip", "")
-    ASCEND_RT_VISIBLE_DEVICES = config.get("Env_preCheck", {}).get(
-        "ascend_rt_visible_devices", ""
-    )
-    NODE_NUM = config.get("Env_preCheck", {}).get("node_num", "")
-    MODEL_PATH = config.get("Env_preCheck", {}).get("model_path", "")
-    HF_MODEL_NAME = config.get("Env_preCheck", {}).get("hf_model_name", "")
-    MIDDLE_PAGE = config.get("Env_preCheck", {}).get("middle_page", "")
+MASTER_IP = config_utils.get_nested_config("Env_preCheck.master_ip", "")
+WORKER_IP = config_utils.get_nested_config("Env_preCheck.worker_ip", "")
+ASCEND_RT_VISIBLE_DEVICES = config_utils.get_nested_config(
+    "Env_preCheck.ascend_rt_visible_devices", ""
+)
+NODE_NUM = config_utils.get_nested_config("Env_preCheck.node_num", "")
+MODEL_PATH = config_utils.get_nested_config("Env_preCheck.model_path", "")
+HF_MODEL_NAME = config_utils.get_nested_config("Env_preCheck.hf_model_name", "")
+MIDDLE_PAGE = config_utils.get_nested_config("Env_preCheck.middle_page", "")
+KVCACHE_BLOCK_NUMBER = config_utils.get_nested_config(
+    "Env_preCheck.kvCache_block_number", ""
+)
+STORAGE_BACKENDS = config_utils.get_nested_config("Env_preCheck.storage_backends", "")
 
-    KVCACHE_BLOCK_NUMBER = config.get("Env_preCheck", {}).get(
-        "kvCache_block_number", ""
-    )
-    STORAGE_BACKENDS = config.get("Env_preCheck", {}).get("storage_backends", "")
+
+config_file = Path(__file__).parent.parent.parent / "config.yaml"
 
 
 def run_command(
@@ -1398,3 +1398,197 @@ def run_bandwidth_check():
             bw_summary[key] = None
 
     return bw_summary
+
+
+def run_mlnx_qos():
+    """
+    通过 SSH 在宿主机上执行 QoS 配置，支持 NVIDIA / Ascend 环境自动判断
+    每个阶段都会记录执行状态，并最终给出 global_status
+    """
+    result = {
+        "env": {"type": None, "status": False},
+        "mapping": [],
+        "mapping_status": False,
+        "interfaces": {},
+        "rc_local": {"status": None},
+        "dispatcher": {"status": None},
+        "global_status": True,
+        "errors": [],
+    }
+
+    def ssh_run(cmd):
+        full_cmd = f'ssh -i "{LOCAL_SSH_KEY}" root@{MASTER_IP} "{cmd}"'
+        p = subprocess.run(
+            full_cmd,
+            shell=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            text=True,
+        )
+        return p.returncode == 0, p.stdout.strip(), p.stderr.strip()
+
+    # ------------------------------------------------------------------
+    # 1. 环境判断
+    # ------------------------------------------------------------------
+    print("[STEP] Detecting remote environment...")
+    if ssh_run("command -v nvidia-smi")[0]:
+        env_type = "Nvidia"
+    elif ssh_run("command -v npu-smi")[0] or ssh_run("test -d /usr/local/Ascend")[0]:
+        env_type = "Ascend"
+    else:
+        env_type = "unknown"
+
+    result["env"]["type"] = env_type
+    result["env"]["status"] = env_type != "unknown"
+
+    if not result["env"]["status"]:
+        print("[FAIL] Environment detection failed")
+        result["errors"].append("Unable to detect NVIDIA or Ascend environment")
+        result["global_status"] = False
+        return result
+
+    print(f"[OK] Detected environment: {env_type}")
+
+    # ------------------------------------------------------------------
+    # 2. 获取接口列表
+    # ------------------------------------------------------------------
+    print("[STEP] Collecting IB interfaces...")
+    ok, out, err = ssh_run("ibdev2netdev")
+    if not ok:
+        print("[FAIL] Failed to run ibdev2netdev")
+        result["errors"].append(err)
+        result["global_status"] = False
+        return result
+
+    mapping = []
+    for line in out.splitlines():
+        if "==>" in line:
+            ibdev = line.split("==>")[0].split()[0]
+            netdev = line.split("==>")[1].split()[0]
+            mapping.append((ibdev, netdev))
+
+    result["mapping"] = mapping
+    result["mapping_status"] = bool(mapping)
+
+    if not mapping:
+        print("[FAIL] No IB interfaces found")
+        result["global_status"] = False
+        return result
+
+    print(f"[OK] Found interfaces: {mapping}")
+
+    # ------------------------------------------------------------------
+    # 3. QoS / 流控配置
+    # ------------------------------------------------------------------
+    print("[STEP] Applying QoS configuration...")
+    for ibdev, netdev in mapping:
+        iface_ok = True
+        iface_result = {}
+
+        def run_cmd(name, cmd):
+            nonlocal iface_ok
+            ok, _, err = ssh_run(cmd)
+            iface_result[name] = ok
+            if not ok:
+                iface_ok = False
+                result["errors"].append(f"{netdev}: {name} failed: {err}")
+            return ok
+
+        print(f"  -> Configuring {netdev} ({ibdev})")
+
+        run_cmd("pfc", f"mlnx_qos -i {netdev} --pfc 1,0,0,0,1,0,0,0 --trust dscp")
+        run_cmd("prio_tc", f"mlnx_qos -i {netdev} --prio_tc 0,0,0,0,4,0,0,0")
+
+        if env_type == "Nvidia":
+            run_cmd(
+                "tcbw",
+                f"mlnx_qos -i {netdev} --tsa ets,ets,ets,ets,ets,ets,ets,ets "
+                f"--tcbw 10,90,0,0,0,0,0,0",
+            )
+        else:
+            run_cmd(
+                "tcbw",
+                f"mlnx_qos -i {netdev} --tsa ets,ets,ets,ets,ets,ets,ets,ets "
+                f"--tcbw 10,0,0,0,90,0,0,0",
+            )
+
+        run_cmd("cma_roce_tos", f"cma_roce_tos -d {ibdev} -t 128")
+
+        iface_result["status"] = iface_ok
+        result["interfaces"][netdev] = iface_result
+
+        if iface_ok:
+            print(f"  [OK] {netdev} configured successfully")
+        else:
+            print(f"  [FAIL] {netdev} configuration failed")
+            result["global_status"] = False
+
+    # ------------------------------------------------------------------
+    # 4. rc-local 确认
+    # ------------------------------------------------------------------
+    if env_type == "Ascend":
+        print("[STEP] Configuring rc-local")
+
+        rc_ok, _, _ = ssh_run(
+            'test -f /etc/rc.local || echo -e "#!/bin/bash\\nexit 0" > /etc/rc.local'
+        )
+        result["rc_local"]["status"] = rc_ok
+
+        if not rc_ok:
+            result["errors"].append("rc-local setup failed")
+            result["global_status"] = False
+            print("[FAIL] rc-local configuration failed")
+        else:
+            print("[OK] rc-local configured")
+
+        # ------------------------------------------------------------------
+        # 配置永久生效 脚本写入（存在则覆盖，不存在则创建）
+        # ------------------------------------------------------------------
+        DISPATCH_SCRIPT = "/etc/NetworkManager/dispatcher.d/pre-up.d/set-nvmeof-qos"
+        print(f"[STEP] Writing dispatcher script: {DISPATCH_SCRIPT}")
+
+        dispatch_content = """#!/bin/sh
+        # NetworkManager dispatcher script for NVMe-oF QoS
+        # Triggered on pre-up
+
+        netdev=$1
+        action=$2
+
+        if [ "x${action}" != "xpre-up" ]; then
+            exit 0
+        fi
+
+        logger "[set-nvmeof-qos] pre-up triggered for ${netdev}"
+
+        ibdev=$(ibdev2netdev | awk -v dev="${netdev}" '$2 == dev {print $1}')
+        [ -z "${ibdev}" ] && exit 0
+
+        mlnx_qos -i ${netdev} --pfc 1,0,0,0,1,0,0,0 --trust=dscp
+        mlnx_qos -i ${netdev} --prio_tc 0,0,0,0,4,0,0,0
+        mlnx_qos -i ${netdev} --tsa ets,ets,ets,ets,ets,ets,ets,ets --tcbw 10,0,0,0,90,0,0,0
+        cma_roce_tos -d ${ibdev} -t 128
+
+        exit 0
+        """
+
+        disp_ok, _, err = ssh_run(
+            f"""
+            mkdir -p $(dirname {DISPATCH_SCRIPT}) && \
+            cat > {DISPATCH_SCRIPT} << 'EOF'
+        {dispatch_content}
+        EOF
+            chmod 755 {DISPATCH_SCRIPT}
+            """
+        )
+
+        result["dispatcher"]["status"] = disp_ok
+
+        if disp_ok:
+            print("[OK] dispatcher script written successfully")
+        else:
+            print(f"[FAIL] dispatcher script write failed: {err}")
+            result["global_status"] = False
+            result["errors"].append("dispatcher script setup failed")
+
+    print(f"[RESULT] Global QoS status: {result['global_status']}")
+    return result
diff --git a/test/suites/E2E/test_environment_precheck.py b/test/suites/E2E/test_environment_precheck.py
index 355652894..adb7140b3 100644
--- a/test/suites/E2E/test_environment_precheck.py
+++ b/test/suites/E2E/test_environment_precheck.py
@@ -264,3 +264,15 @@ def test_check_bandwidth():
     assert (
         bandwidth["fetch"] < 0.85 * EXPECTED_FETCH_BANDWIDTH
     ), f"Fetch bandwidth too high: {bandwidth['fetch']} GB/s"
+
+
+@pytest.mark.stage(1)
+@pytest.mark.platform("npu")
+@pytest.mark.feature("test_apply_mlnx_qos")
+def test_remote_mlnx_qos():
+    """
+    远程配置宿主机流控 QoS 配置
+    """
+    qos_result = run_mlnx_qos()
+    print(qos_result)
+    assert qos_result["global_status"] is True