diff --git a/APP_Framework/Applications/knowing_app/Kconfig b/APP_Framework/Applications/knowing_app/Kconfig
index 0d5d4b65..ece7acb3 100755
--- a/APP_Framework/Applications/knowing_app/Kconfig
+++ b/APP_Framework/Applications/knowing_app/Kconfig
@@ -1,3 +1,4 @@
 menu "knowing app"
     source "$APP_DIR/Applications/knowing_app/mnist/Kconfig" 
+    source "$APP_DIR/Applications/knowing_app/face_detect/Kconfig" 
 endmenu
diff --git a/APP_Framework/Applications/knowing_app/face_detect/Kconfig b/APP_Framework/Applications/knowing_app/face_detect/Kconfig
new file mode 100644
index 00000000..92738ada
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/face_detect/Kconfig
@@ -0,0 +1,7 @@
+config FACE_DETECT
+    bool "enable apps/face detect"
+    depends on BOARD_K210_EVB
+	depends on DRV_USING_OV2640
+	depends on USING_KPU_POSTPROCESSING
+	depends on USING_YOLOV2
+    default n
diff --git a/APP_Framework/Applications/knowing_app/face_detect/SConscript b/APP_Framework/Applications/knowing_app/face_detect/SConscript
new file mode 100644
index 00000000..3c792585
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/face_detect/SConscript
@@ -0,0 +1,9 @@
+from building import *
+
+cwd     = GetCurrentDir()
+src     = Glob('*.c') + Glob('*.cpp')
+CPPPATH = [cwd]
+
+group = DefineGroup('Applications', src, depend = ['FACE_DETECT'], LOCAL_CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/APP_Framework/Applications/knowing_app/face_detect/face_detect.c b/APP_Framework/Applications/knowing_app/face_detect/face_detect.c
new file mode 100644
index 00000000..bf84ba2f
--- /dev/null
+++ b/APP_Framework/Applications/knowing_app/face_detect/face_detect.c
@@ -0,0 +1,253 @@
+#include <transform.h>
+#include"region_layer.h"
+#define SHOW_RGB_BUF_SIZE (320*240*2)
+#define AI_KPU_RGB_BUF_SIZE (320*240*3)
+#define KMODEL_SIZE (388776)    //face model size
+#define ANCHOR_NUM 5
+#define KPUIMAGEWIDTH (320)
+#define KPUIMAGEHEIGHT (240)
+
+
+static float anchor[ANCHOR_NUM * 2] = {1.889,2.5245,  2.9465,3.94056, 3.99987,5.3658, 5.155437,6.92275, 6.718375,9.01025};
+
+
+#define THREAD_PRIORITY_FACE_D  (11)
+static pthread_t  facetid = 0;
+static void* thread_face_detcet_entry(void *parameter);
+static int g_fd = 0;
+static int kmodel_fd = 0;
+static int  if_exit = 0;
+static unsigned char  * showbuffer = NULL ;
+static unsigned char  * kpurgbbuffer = NULL ;
+
+static _ioctl_shoot_para shoot_para_t = {0};
+unsigned char  * model_data = NULL;     //kpu data  load memory
+unsigned char *model_data_align  = NULL;
+
+kpu_model_context_t face_detect_task;
+static region_layer_t face_detect_rl;
+static obj_info_t face_detect_info;
+volatile uint32_t g_ai_done_flag;
+
+static void ai_done(void *ctx)
+{
+    g_ai_done_flag = 1;
+}
+
+
+
+void face_detect()
+{
+    int ret = 0;
+    int result = 0;
+    int size = 0;
+    g_fd = open("/dev/ov2640",O_RDONLY);
+    if(g_fd < 0)
+    {
+        printf("open ov2640 fail !!");
+        return;
+    }
+    showbuffer = (unsigned char*)malloc(SHOW_RGB_BUF_SIZE);
+    if(NULL ==showbuffer)
+    {
+        close(g_fd);
+        printf("showbuffer apply memory fail !!");
+        return ;
+    }
+    kpurgbbuffer = (unsigned char*)malloc(AI_KPU_RGB_BUF_SIZE);
+    if(NULL ==kpurgbbuffer)
+    {
+        close(g_fd);
+        free(showbuffer);
+        printf("kpurgbbuffer apply memory fail !!");
+        return ;
+    }
+    model_data = (unsigned char *)malloc(KMODEL_SIZE + 255);
+    if(NULL ==model_data)
+    {
+        free(showbuffer);
+        free(kpurgbbuffer);
+        close(g_fd);
+        printf("model_data apply memory fail !!");
+        return ;
+    }
+    memset(model_data,0,KMODEL_SIZE + 255);
+    memset(showbuffer,0,SHOW_RGB_BUF_SIZE);
+    memset(kpurgbbuffer,0,AI_KPU_RGB_BUF_SIZE);
+    shoot_para_t.pdata = (unsigned int *)(showbuffer);
+    shoot_para_t.length = SHOW_RGB_BUF_SIZE;
+    /*
+        load memory 
+    */
+    kmodel_fd = open("/kmodel/detect.kmodel",O_RDONLY);
+    if(kmodel_fd <0)
+    {
+            printf("open kmodel fail");
+            close(g_fd);
+            free(showbuffer);
+            free(kpurgbbuffer);
+            free(model_data);
+            return;
+    }
+    else
+    {
+         size = read(kmodel_fd, model_data, KMODEL_SIZE);
+         if(size != KMODEL_SIZE)
+         {
+            printf("read kmodel error size %d\n",size);
+            close(g_fd);
+            close(kmodel_fd);
+            free(showbuffer);
+            free(kpurgbbuffer);
+            free(model_data);
+            return;
+            
+         }
+         else
+         {
+             printf("read kmodel success \n");
+         }
+
+    }
+    unsigned char *model_data_align = (unsigned char *)(((unsigned int)model_data+255)&(~255));
+    dvp_set_ai_addr((uint32_t)kpurgbbuffer, (uint32_t)(kpurgbbuffer + 320 * 240), (uint32_t)(kpurgbbuffer + 320 * 240 * 2));
+    if (kpu_load_kmodel(&face_detect_task, model_data_align) != 0)
+    {
+        printf("\nmodel init error\n");
+        close(g_fd);
+        close(kmodel_fd);
+        free(showbuffer);
+        free(kpurgbbuffer);
+        free(model_data);
+        return;
+    }
+    face_detect_rl.anchor_number = ANCHOR_NUM;
+    face_detect_rl.anchor = anchor;
+    face_detect_rl.threshold = 0.7;
+    face_detect_rl.nms_value = 0.3;
+    result = region_layer_init(&face_detect_rl, 20, 15, 30, KPUIMAGEWIDTH, KPUIMAGEHEIGHT);
+    printf("region_layer_init result %d \n\r",result);    
+    size_t stack_size = 32*1024;
+    pthread_attr_t attr;      /* 线程属性 */
+    struct sched_param prio;  /* 线程优先级 */
+    prio.sched_priority = 8;  /* 优先级设置为 8 */
+    pthread_attr_init(&attr);  /* 先使用默认值初始化属性 */
+    pthread_attr_setschedparam(&attr,&prio);  /* 修改属性对应的优先级 */
+    pthread_attr_setstacksize(&attr, stack_size);
+
+    /* 创建线程 1, 属性为 attr，入口函数是 thread_entry，入口函数参数是 1 */
+    result = pthread_create(&facetid,&attr,thread_face_detcet_entry,NULL);
+    if (0 == result)
+    {
+        printf("thread_face_detcet_entry successfully!\n");
+    }
+    else
+    {
+        printf("thread_face_detcet_entry failed! error code is %d\n",result);
+        close(g_fd);
+    }     
+}
+#ifdef __RT_THREAD_H__
+MSH_CMD_EXPORT(face_detect,face detect task);
+#endif
+static void* thread_face_detcet_entry(void *parameter)
+{   
+    extern void lcd_draw_picture(uint16_t x1, uint16_t y1, uint16_t width, uint16_t height, uint32_t *ptr);
+    printf("thread_face_detcet_entry start!\n");
+    int ret = 0;
+    //sysctl_enable_irq();
+    while(1)
+    {
+        //memset(showbuffer,0,320*240*2);
+        g_ai_done_flag = 0;
+        ret = ioctl(g_fd,IOCTRL_CAMERA_START_SHOT,&shoot_para_t);
+        if(RT_ERROR == ret)
+        {
+            printf("ov2640 can't wait event flag");
+            rt_free(showbuffer);
+            close(g_fd);
+            pthread_exit(NULL);  
+            return NULL;
+        }
+        kpu_run_kmodel(&face_detect_task, kpurgbbuffer, DMAC_CHANNEL5, ai_done, NULL);
+        while(!g_ai_done_flag);
+        float *output;
+        size_t output_size;
+        kpu_get_output(&face_detect_task, 0, (uint8_t **)&output, &output_size);
+        face_detect_rl.input = output;        
+        region_layer_run(&face_detect_rl, &face_detect_info);
+        /* display result */
+        #ifdef BSP_USING_LCD
+        for (int face_cnt = 0; face_cnt < face_detect_info.obj_number; face_cnt++)
+        {
+            draw_edge((uint32_t *)showbuffer, &face_detect_info, face_cnt, 0xF800);
+        }
+        lcd_draw_picture(0, 0, 320, 240, (unsigned int*)showbuffer); 
+        #endif
+       usleep(1);
+       if(1 == if_exit)
+       {
+          if_exit = 0;
+          printf("thread_face_detcet_entry exit");
+          pthread_exit(NULL);  
+       }
+    }
+
+}
+
+void face_detect_delete()
+{
+    if(showbuffer != NULL)
+    {
+        int ret = 0;
+        close(g_fd);
+        close(kmodel_fd);
+        free(showbuffer);
+        free(kpurgbbuffer);
+        free(model_data);
+        printf("face detect task cancel!!! ret %d ",ret);
+        if_exit = 1;
+    }
+    
+}
+#ifdef __RT_THREAD_H__
+MSH_CMD_EXPORT(face_detect_delete,face detect task delete);
+#endif
+void kmodel_load(unsigned char  * model_data)
+{
+    int kmodel_fd = 0;
+    int size = 0;
+    kmodel_fd = open("/kmodel/detect.kmodel",O_RDONLY);
+    
+    model_data = (unsigned char *)malloc(KMODEL_SIZE + 255);
+    if(NULL ==model_data)
+    {
+        printf("model_data apply memory fail !!");
+        return ;
+    }
+    memset(model_data,0,KMODEL_SIZE + 255);
+    
+    if (kmodel_fd>= 0)
+    {
+         size = read(kmodel_fd, model_data, KMODEL_SIZE);
+         if(size != KMODEL_SIZE)
+         {
+            printf("read kmodel error size %d\n",size);
+            
+         }
+         else
+         {
+              printf("read kmodel success");
+         }
+    }
+    else
+    {
+        free(model_data);
+        printf("open kmodel fail");
+    }
+    
+}
+#ifdef __RT_THREAD_H__
+MSH_CMD_EXPORT(kmodel_load,kmodel load memory);
+#endif
+
diff --git a/APP_Framework/Framework/transform_layer/rtthread/transform.h b/APP_Framework/Framework/transform_layer/rtthread/transform.h
index 03ffd1d8..2f67b308 100644
--- a/APP_Framework/Framework/transform_layer/rtthread/transform.h
+++ b/APP_Framework/Framework/transform_layer/rtthread/transform.h
@@ -30,6 +30,9 @@
 #ifdef RT_USING_POSIX_TERMIOS
 #include <posix_termios.h>
 #endif
+#ifdef DRV_USING_OV2640
+#include <drv_ov2640.h>
+#endif
 #ifdef __cplusplus
 extern "C" {
 #endif