diff --git a/tests/python_client/chaos/testcases/test_single_request_operation.py b/tests/python_client/chaos/testcases/test_single_request_operation.py
new file mode 100644
index 0000000000..c90c0dee16
--- /dev/null
+++ b/tests/python_client/chaos/testcases/test_single_request_operation.py
@@ -0,0 +1,74 @@
+import pytest
+from time import sleep
+from pymilvus import connections
+from chaos.checker import (InsertChecker,
+                           FlushChecker, 
+                           SearchChecker,
+                           QueryChecker,
+                           IndexChecker,
+                           DeleteChecker,
+                           Op)
+from utils.util_log import test_log as log
+from chaos import chaos_commons as cc
+from common.common_type import CaseLabel
+from chaos import constants
+
+
+class TestBase:
+    expect_create = constants.SUCC
+    expect_insert = constants.SUCC
+    expect_flush = constants.SUCC
+    expect_index = constants.SUCC
+    expect_search = constants.SUCC
+    expect_query = constants.SUCC
+    host = '127.0.0.1'
+    port = 19530
+    _chaos_config = None
+    health_checkers = {}
+
+
+class TestOperations(TestBase):
+
+    @pytest.fixture(scope="function", autouse=True)
+    def connection(self, host, port, user, password):
+        if user and password:
+            # log.info(f"connect to {host}:{port} with user {user} and password {password}")
+            connections.connect('default', host=host, port=port, user=user, password=password, secure=True)
+        else:
+            connections.connect('default', host=host, port=port)
+        if connections.has_connection("default") is False:
+            raise Exception("no connections")
+        log.info("connect to milvus successfully")
+        self.host = host
+        self.port = port
+        self.user = user
+        self.password = password        
+
+    def init_health_checkers(self, collection_name=None):
+        c_name = collection_name
+        checkers = {
+            Op.insert: InsertChecker(collection_name=c_name),
+            Op.flush: FlushChecker(collection_name=c_name),
+            Op.index: IndexChecker(collection_name=c_name),
+            Op.search: SearchChecker(collection_name=c_name),
+            Op.query: QueryChecker(collection_name=c_name),
+            Op.delete: DeleteChecker(collection_name=c_name),
+        }
+        self.health_checkers = checkers
+
+    @pytest.mark.tags(CaseLabel.L3)
+    def test_operations(self):
+        # start the monitor threads to check the milvus ops
+        log.info("*********************Test Start**********************")
+        log.info(connections.get_connection_addr('default'))
+        c_name = None
+        self.init_health_checkers(collection_name=c_name)
+        cc.start_monitor_threads(self.health_checkers)
+        log.info("*********************Load Start**********************")
+        # wait 200s
+
+        for i in range(10):
+            sleep(20)
+            for k,v in self.health_checkers.items():
+                v.check_result()
+        log.info("*********************Chaos Test Completed**********************")
diff --git a/tests/python_client/chaos/testcases/test_verify_all_collections.py b/tests/python_client/chaos/testcases/test_verify_all_collections.py
new file mode 100644
index 0000000000..805c305f43
--- /dev/null
+++ b/tests/python_client/chaos/testcases/test_verify_all_collections.py
@@ -0,0 +1,101 @@
+import pytest
+from time import sleep
+from collections import defaultdict
+from pymilvus import connections
+from chaos.checker import (InsertChecker,
+                           FlushChecker, 
+                           SearchChecker,
+                           QueryChecker,
+                           IndexChecker,
+                           DeleteChecker,
+                           Op)
+from utils.util_log import test_log as log
+from chaos import chaos_commons as cc
+from chaos.chaos_commons import assert_statistic
+from common.common_type import CaseLabel
+from chaos import constants
+from utils.util_common import get_collections
+from delayed_assert import assert_expectations
+
+
+class TestBase:
+    expect_create = constants.SUCC
+    expect_insert = constants.SUCC
+    expect_flush = constants.SUCC
+    expect_index = constants.SUCC
+    expect_search = constants.SUCC
+    expect_query = constants.SUCC
+    host = '127.0.0.1'
+    port = 19530
+    _chaos_config = None
+    health_checkers = {}
+
+
+def get_collections_with_limit():
+    collections = get_collections()
+    m = defaultdict(list)
+    for c_name in collections:
+        prefix = c_name.split("_")[0]
+        if len(m[prefix]) <= 5:
+            m[prefix].append(c_name)
+    selected_collections = []
+    for v in m.values():
+        selected_collections.extend(v)
+    if len(selected_collections) == 0:
+        selected_collections = [None]
+    return selected_collections
+
+
+class TestOperations(TestBase):
+
+    @pytest.fixture(scope="function", params=get_collections_with_limit())
+    def collection_name(self, request):
+        if request.param == [] or request.param == "":
+            pytest.skip("The collection name is invalid")
+        yield request.param
+
+    @pytest.fixture(scope="function", autouse=True)
+    def connection(self, host, port, user, password):
+        if user and password:
+            # log.info(f"connect to {host}:{port} with user {user} and password {password}")
+            connections.connect('default', host=host, port=port, user=user, password=password, secure=True)
+        else:
+            connections.connect('default', host=host, port=port)
+        if connections.has_connection("default") is False:
+            raise Exception("no connections")
+        log.info("connect to milvus successfully")
+        self.host = host
+        self.port = port
+        self.user = user
+        self.password = password        
+
+    def init_health_checkers(self, collection_name=None):
+        c_name = collection_name
+        checkers = {
+            Op.insert: InsertChecker(collection_name=c_name),
+            Op.flush: FlushChecker(collection_name=c_name),
+            Op.index: IndexChecker(collection_name=c_name),
+            Op.search: SearchChecker(collection_name=c_name),
+            Op.query: QueryChecker(collection_name=c_name),
+            Op.delete: DeleteChecker(collection_name=c_name),
+        }
+        self.health_checkers = checkers
+
+    @pytest.mark.tags(CaseLabel.L3)
+    def test_operations(self,collection_name):
+        # start the monitor threads to check the milvus ops
+        log.info("*********************Test Start**********************")
+        log.info(connections.get_connection_addr('default'))
+        c_name = collection_name
+        self.init_health_checkers(collection_name=c_name)
+        cc.start_monitor_threads(self.health_checkers)
+        log.info("*********************Request Load Start**********************")
+        # wait 200s for the load request to be finished
+        for i in range(10):
+            sleep(20)
+            for k,v in self.health_checkers.items():
+                v.check_result()
+        log.info("******assert after chaos deleted: ")
+        assert_statistic(self.health_checkers)
+        assert_expectations()
+        log.info("*********************Test Completed**********************")