diff --git a/src/juc/ThreadLocalDemo.java b/src/juc/ThreadLocalDemo.java
new file mode 100644
index 0000000..62d0856
--- /dev/null
+++ b/src/juc/ThreadLocalDemo.java
@@ -0,0 +1,33 @@
+package juc;
+
+/**
+ * Test
+ */
+public class ThreadLocalDemo {
+    private static ThreadLocal<String> threadLocal = new ThreadLocal<>();
+
+    public static void main(String[] args) {
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                threadLocal.set("A");
+                print();
+                System.out.println("after remove localVal:" + threadLocal.get());
+            }
+        }, "A").start();
+        new Thread(new Runnable() {
+            @Override
+            public void run() {
+                threadLocal.set("B");
+                print();
+                System.out.println("after remove localVal:" + threadLocal.get());
+            }
+        }, "B").start();
+    }
+
+    protected static void print() {
+        System.out.println(Thread.currentThread().getName() + "localVal:" + threadLocal.get());
+        threadLocal.remove();
+    }
+
+}
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