diff --git a/tools/test_srcipts/test_cdc_speed.py b/tools/test_srcipts/test_cdc_speed.py
new file mode 100644
index 00000000..f11b70a4
--- /dev/null
+++ b/tools/test_srcipts/test_cdc_speed.py
@@ -0,0 +1,49 @@
+import serial
+import time
+try:
+    from serial.tools.list_ports import comports
+except ImportError:
+    raise serial.serialutil.SerialException
+
+
+test_comx = 'COM66'
+test_baudrate = 2000000
+test_maxsize = 10*1024*1024
+
+test_data = '0xAA' * 4096
+
+test_serial = serial.Serial(test_comx, test_baudrate, timeout = 1)
+
+def test_cdc_out():
+    send_count = 0
+    begin = time.time()
+
+    while True:
+            if send_count < test_maxsize:
+                txdatalen = test_serial.write(test_data.encode("utf-8"))
+                send_count += txdatalen
+            else:
+                print("cdc out speed %f MB/s" %(send_count//1024//1024/(time.time() - begin)))
+                break
+
+def test_cdc_in():
+    read_count = 0
+    begin = time.time()
+
+    while True:
+            if read_count < test_maxsize:
+                data = test_serial.read(test_maxsize).decode(encoding='utf-8',errors='ignore')
+                read_count += len(data)
+            else:
+                print("cdc in speed %f MB/s" %(read_count//1024//1024/(time.time() - begin)))
+                break
+
+if __name__ == '__main__':
+    print('test cdc out speed')
+
+    test_serial.setDTR(0)
+    test_cdc_out()
+
+    print('test cdc in speed')
+    test_serial.setDTR(1)
+    test_cdc_in()
\ No newline at end of file
diff --git a/tools/test_srcipts/test_hid_inout.py b/tools/test_srcipts/test_hid_inout.py
new file mode 100644
index 00000000..df512d24
--- /dev/null
+++ b/tools/test_srcipts/test_hid_inout.py
@@ -0,0 +1,68 @@
+# Copyright (c) 2021 HPMicro
+# SPDX-License-Identifier: BSD-3-Clause
+
+import pywinusb.hid as hid
+import os
+import time
+import sys
+import operator
+
+# VID and PID customization changes here...
+
+VID = 0xFFFF
+PID = 0xFFFF
+
+# Send buffer
+buffer = [0xff]*64
+
+# Const
+TIMEOUT = -1
+PASS    =  0
+FAIL    =  1
+
+# Result
+result = TIMEOUT
+
+def search_dev():
+    filter = hid.HidDeviceFilter(vendor_id = VID, product_id = PID)
+    hid_device = filter.get_devices()
+    return hid_device
+
+def recv_data(data):
+    print("<=================== USB HID Read ========================>")
+    for i in range(0, len(data)):
+        print("0x{0:02x}" .format(data[i]), end=" ")
+    print("\n")
+
+    global result
+    result = (PASS if (operator.eq(data[1:-1], buffer[1:-1]) == True) else FAIL)
+
+    return None
+
+def send_data(report):
+    print("<=================== USB HID Write ========================>")
+    buffer[0] = report[0].report_id
+    print("0x{0:02x}" .format(buffer[0]), end=" ")
+
+    for i in range(1,64):
+        buffer[i] = i % 256
+        print("0x{0:02x}" .format(buffer[i]), end=" ")
+    print("\n")
+
+    report[0].set_raw_data(buffer)
+    report[0].send()
+    return None
+
+if __name__ == '__main__':
+    device = search_dev()[0]
+    device.open()
+    device.set_raw_data_handler(recv_data)
+    send_data(device.find_output_reports())
+    time.sleep(1)
+
+    if result == PASS:
+        print("USB hid echo passed!")
+    elif result == FAIL:
+        print("USB HID echo failed!")
+    else:
+        print("USB HID echo timed out!")
\ No newline at end of file