diff --git a/vectordb_bench/backend/clients/milvus/cli.py b/vectordb_bench/backend/clients/milvus/cli.py
index 05ff9541..885995de 100644
--- a/vectordb_bench/backend/clients/milvus/cli.py
+++ b/vectordb_bench/backend/clients/milvus/cli.py
@@ -1,4 +1,4 @@
-from typing import Annotated, TypedDict, Unpack
+from typing import Annotated, TypedDict, Unpack, Optional
 
 import click
 from pydantic import SecretStr
@@ -21,6 +21,12 @@ class MilvusTypedDict(TypedDict):
     uri: Annotated[
         str, click.option("--uri", type=str, help="uri connection string", required=True)
     ]
+    user_name: Annotated[
+        Optional[str], click.option("--user-name", type=str, help="Db username", required=False)
+    ]
+    password: Annotated[
+        Optional[str], click.option("--password", type=str, help="Db password", required=False)
+    ]
 
 
 class MilvusAutoIndexTypedDict(CommonTypedDict, MilvusTypedDict):
@@ -37,6 +43,8 @@ def MilvusAutoIndex(**parameters: Unpack[MilvusAutoIndexTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=AutoIndexConfig(),
         **parameters,
@@ -53,6 +61,8 @@ def MilvusFlat(**parameters: Unpack[MilvusAutoIndexTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=FLATConfig(),
         **parameters,
@@ -73,6 +83,8 @@ def MilvusHNSW(**parameters: Unpack[MilvusHNSWTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]) if parameters["password"] else None,
         ),
         db_case_config=HNSWConfig(
             M=parameters["m"],
@@ -97,6 +109,8 @@ def MilvusIVFFlat(**parameters: Unpack[MilvusIVFFlatTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=IVFFlatConfig(
             nlist=parameters["nlist"],
@@ -116,6 +130,8 @@ def MilvusIVFSQ8(**parameters: Unpack[MilvusIVFFlatTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=IVFSQ8Config(
             nlist=parameters["nlist"],
@@ -143,6 +159,8 @@ def MilvusDISKANN(**parameters: Unpack[MilvusDISKANNTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=DISKANNConfig(
             search_list=parameters["search_list"],
@@ -174,6 +192,8 @@ def MilvusGPUIVFFlat(**parameters: Unpack[MilvusGPUIVFTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=GPUIVFFlatConfig(
             nlist=parameters["nlist"],
@@ -208,6 +228,8 @@ def MilvusGPUIVFPQ(**parameters: Unpack[MilvusGPUIVFPQTypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=GPUIVFPQConfig(
             nlist=parameters["nlist"],
@@ -274,6 +296,8 @@ def MilvusGPUCAGRA(**parameters: Unpack[MilvusGPUCAGRATypedDict]):
         db_config=MilvusConfig(
             db_label=parameters["db_label"],
             uri=SecretStr(parameters["uri"]),
+            user=parameters["user_name"],
+            password=SecretStr(parameters["password"]),
         ),
         db_case_config=GPUCAGRAConfig(
             intermediate_graph_degree=parameters["intermediate_graph_degree"],
diff --git a/vectordb_bench/backend/clients/milvus/config.py b/vectordb_bench/backend/clients/milvus/config.py
index eea7b11f..059ef046 100644
--- a/vectordb_bench/backend/clients/milvus/config.py
+++ b/vectordb_bench/backend/clients/milvus/config.py
@@ -1,12 +1,26 @@
-from pydantic import BaseModel, SecretStr
+from pydantic import BaseModel, SecretStr, validator
 from ..api import DBConfig, DBCaseConfig, MetricType, IndexType
 
 
 class MilvusConfig(DBConfig):
     uri: SecretStr = "http://localhost:19530"
+    user: str | None = None
+    password: SecretStr | None = None
 
     def to_dict(self) -> dict:
-        return {"uri": self.uri.get_secret_value()}
+        return {
+            "uri": self.uri.get_secret_value(),
+            "user": self.user if self.user else None,
+            "password": self.password.get_secret_value() if self.password else None,
+        }
+
+    @validator("*")
+    def not_empty_field(cls, v, field):
+        if field.name in cls.common_short_configs() or field.name in cls.common_long_configs() or field.name in ["user", "password"]:
+            return v
+        if isinstance(v, (str, SecretStr)) and len(v) == 0:
+            raise ValueError("Empty string!")
+        return v
 
 
 class MilvusIndexConfig(BaseModel):