diff --git a/src/main/java/org/dromara/easyai/function/ELu.java b/src/main/java/org/dromara/easyai/function/ELu.java
new file mode 100644
index 0000000..42f2d5b
--- /dev/null
+++ b/src/main/java/org/dromara/easyai/function/ELu.java
@@ -0,0 +1,36 @@
+package org.dromara.easyai.function;
+
+
+import org.dromara.easyai.i.ActiveFunction;
+
+/**
+ * @param
+ * @DATA
+ * @Author LiDaPeng
+ * @Description
+ */
+public class ELu implements ActiveFunction {
+    private final float a;
+
+    public ELu(float a) {
+        this.a = a;
+    }
+
+    @Override
+    public float function(float x) {
+        if (x > 0) {
+            return x;
+        } else {
+            return (float) (a * ((float)Math.exp(x) - 1));
+        }
+    }
+
+    @Override
+    public float functionG(float out) {
+        if (out > 0) {
+            return 1;
+        } else {
+            return out + a;
+        }
+    }
+}