diff --git "a/src/rust-learn/napi-rs/5.\346\212\212JS \345\207\275\346\225\260\346\224\276\345\210\260 Rust \344\270\255\346\211\247\350\241\214.md" "b/src/rust-learn/napi-rs/5.\346\212\212JS \345\207\275\346\225\260\346\224\276\345\210\260 Rust \344\270\255\346\211\247\350\241\214.md"
new file mode 100644
index 0000000000..99362f1ba0
--- /dev/null
+++ "b/src/rust-learn/napi-rs/5.\346\212\212JS \345\207\275\346\225\260\346\224\276\345\210\260 Rust \344\270\255\346\211\247\350\241\214.md"	
@@ -0,0 +1,27 @@
+# 把JS 函数放到 Rust 中执行
+
+
+```rust
+use std::thread;
+
+use napi::{
+  bindgen_prelude::*,
+  threadsafe_function::{ErrorStrategy, ThreadsafeFunction, ThreadsafeFunctionCallMode},
+};
+
+// 强制指定参数类型
+#[napi(ts_args_type = "callback: (err: null | Error, result: number) => void")]
+pub fn call_threadsafe_function(callback: JsFunction) -> Result<()> {
+  let tsfn: ThreadsafeFunction<u32, ErrorStrategy::CalleeHandled> = callback
+    // ctx.value 即 Rust 调用 JS 函数时传递的入参，封装成 Vec 传递给 JS 函数
+    .create_threadsafe_function(0, |ctx| ctx.env.create_uint32(ctx.value).map(|v| vec![v]))?;
+  for n in 0..100 {
+    let tsfn = tsfn.clone();
+    thread::spawn(move || {
+      // 通过 tsfn.call 来调用 JS 函数
+      tsfn.call(Ok(n), ThreadsafeFunctionCallMode::Blocking);
+    });
+  }
+  Ok(())
+}
+```
\ No newline at end of file