diff --git a/2022.03.16_frequently_used_python_package/threading_example.py b/2022.03.16_frequently_used_python_package/threading_example.py
new file mode 100644
index 0000000..c465f55
--- /dev/null
+++ b/2022.03.16_frequently_used_python_package/threading_example.py
@@ -0,0 +1,21 @@
+import threading
+import time
+
+def print_numbers(x):
+    for i in range(5):
+        time.sleep(1)
+        print(f"Thread {x}: {i}")
+
+# 创建两个线程
+thread1 = threading.Thread(target=print_numbers, args=('A'))
+thread2 = threading.Thread(target=print_numbers, args=('B'))
+
+# 启动线程
+thread1.start()
+thread2.start()
+
+# 等待两个线程完成
+thread1.join()
+thread2.join()
+
+print("Both threads have finished.")
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