diff --git a/CMakeLists.txt b/CMakeLists.txt
index 99248b9d0c..901c4cec36 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 2.8)
 project(MeoAssistantArknights)
 
+option(BUILD_JNI "build jni" OFF)
 option(BUILD_TEST "build a demo" OFF)
 
 include_directories(include 3rdparty/include)
@@ -34,6 +35,15 @@ endif ()
 
 target_link_libraries(MeoAssistant ${OpenCV} ${PaddleOCR_LIB} ${Penguin_LIB} ${ZLIB})
 
+if (BUILD_JNI)
+    find_package(JNI REQUIRED)
+    include_directories(${JNI_INCLUDE_DIRS})
+
+    set(JNI_SRC src/Java/jni/meoasst_jni.cpp)
+    add_library(MeoAssistantJni SHARED ${JNI_SRC})
+    target_link_libraries(MeoAssistantJni MeoAssistant)
+endif(BUILD_JNI)
+
 if (BUILD_TEST)
     add_executable(test tools/TestCaller/main.cpp)
     target_link_libraries(test MeoAssistant)
diff --git a/src/Java/jni/meoasst_jni.cpp b/src/Java/jni/meoasst_jni.cpp
new file mode 100644
index 0000000000..49ac223eb5
--- /dev/null
+++ b/src/Java/jni/meoasst_jni.cpp
@@ -0,0 +1,62 @@
+#include <jni.h>
+
+#ifdef __ANDROID__
+#include <android/log.h>
+
+#define LOG "maa_jni"
+#define LOG_D(...)  __android_log_print(ANDROID_LOG_DEBUG, LOG, __VA_ARGS__)
+#define LOG_I(...)  __android_log_print(ANDROID_LOG_INFO, LOG, __VA_ARGS__)
+#define LOG_W(...)  __android_log_print(ANDROID_LOG_WARN, LOG, __VA_ARGS__)
+#define LOG_E(...)  __android_log_print(ANDROID_LOG_ERROR, LOG, __VA_ARGS__)
+#define LOG_F(...)  __android_log_print(ANDROID_LOG_FATAL, LOG, __VA_ARGS__)
+#else
+#define LOG_D(...)
+#define LOG_I(...)
+#define LOG_W(...)
+#define LOG_E(...)
+#define LOG_F(...)
+#endif
+
+#include "AsstCaller.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    JNIEXPORT jlong JNICALL Java_com_maa_create(JNIEnv* env, jclass c, jstring jstr_dirname)
+    {
+        LOG_D(__FUNCTION__);
+
+        if (env == NULL) {
+            return (jlong)NULL;
+        }
+
+        const char* cstr_dirname = NULL;
+        if (jstr_dirname) {
+            cstr_dirname = env->GetStringUTFChars(jstr_dirname, NULL);
+        }
+
+        asst::Assistant* p_asst = AsstCreate(cstr_dirname);
+        LOG_D("after AsstCreate, p_asst = %p", p_asst);
+
+        if (cstr_dirname) {
+            env->ReleaseStringUTFChars(jstr_dirname, cstr_dirname);
+        }
+
+        return (jlong)p_asst;
+    }
+
+    JNIEXPORT void JNICALL Java_com_maa_destroy(JNIEnv* env, jclass c, jlong jlong_asst)
+    {
+        LOG_D(__FUNCTION__);
+
+        if (env == NULL) {
+            return;
+        }
+
+        AsstDestroy((asst::Assistant*)jlong_asst);
+    }
+
+#ifdef __cplusplus
+}
+#endif