diff --git a/src/main/java/org/dromara/easyai/i/ActiveFunction.java b/src/main/java/org/dromara/easyai/i/ActiveFunction.java
new file mode 100644
index 0000000..d049c89
--- /dev/null
+++ b/src/main/java/org/dromara/easyai/i/ActiveFunction.java
@@ -0,0 +1,12 @@
+package org.dromara.easyai.i;
+
+/**
+ * @author lidapeng
+ * @description 激活函数接口
+ * @date 8:52 上午 2020/1/11
+ */
+public interface ActiveFunction {
+    float function(float x);//激活函数
+
+    float functionG(float out);//激活函数的导函数
+}