diff --git a/.gitignore b/.gitignore
index 2464b7f..515ec17 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+tags
 /apps/*
 /libs/*
 /objs/*
diff --git a/demo/vgg16.c b/demo/vgg16.c
new file mode 100644
index 0000000..ed9a933
--- /dev/null
+++ b/demo/vgg16.c
@@ -0,0 +1,143 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "parg.h"
+#include "catcoon.h"
+
+#define INPUT_W 224
+#define INPUT_H 224
+
+char image_path[128];
+char parameters_path[128];
+
+void arg_parser(int argc, char* const argv[]);
+void vgg16(cc_tensor_t *in, cc_tensor_t **out);
+
+int main(int argc, const char *argv[])
+{
+	UTIM_IMG *img, *img_read;
+	cc_tensor_t *input, *output;
+	cc_float32 v;
+	cc_int32 i, j;
+	arg_parser(argc, (char**)argv);
+	cc_tsrmgr_import(parameters_path);
+	img_read = utim_read(image_path);
+	img = utim_resize(img_read, INPUT_H, INPUT_W, 0);
+	input = cc_image2tensor(img, "input");
+	utim_free_image(img);
+	utim_free_image(img_read);
+	input = cc_cast(input, CC_FLOAT32, "input");
+	v = 255.;
+	input = cc_scalar(input, '/', &v, "input");
+	vgg16(input, &output);
+	cc_tsrmgr_list();
+	v = 0.;
+	for (i = 0, j = 0; i < 1000; ++i) {
+		if (*((cc_float32*)output->data + i) > v) {
+			v = *((cc_float32*)output->data + i);
+			j = i;
+		}
+	}
+	printf("Result: [%d]\n", j);
+	cc_clear();
+	return 0;
+}
+
+void arg_parser(int argc, char* const argv[])
+{
+	struct parg_state ps;
+	int c;
+	parg_init(&ps);
+	while ((c = parg_getopt(&ps, argc, argv, "hp:v")) != -1) {
+		switch (c) {
+		case 1:
+			strcpy(image_path, ps.optarg);
+			break;
+		case 'h':
+			printf("Usage: [-h] -p parameters-path image-file\n");
+			printf("-h: Displays this message\n");
+			printf("-p: Choose parameters file path\n");
+			exit(EXIT_SUCCESS);
+			break;
+		case 'p':
+			strcpy(parameters_path, ps.optarg);
+			break;
+		case '?':
+			if (ps.optopt == 'p') {
+				printf("option -p requires an argument\n");
+			} else {
+				printf("unknown option -%c\n", ps.optopt);
+			}
+			exit(EXIT_FAILURE);
+			break;
+		default:
+			printf("error: unhandled option -%c\n", c);
+			exit(EXIT_FAILURE);
+			break;
+		}
+	}
+	if (!strlen(image_path) || !strlen(parameters_path)) {
+		printf("error: incomplete argument\n");
+		printf("run 'lenet -h' for help.\n");
+		exit(EXIT_FAILURE);
+	}
+}
+
+void vgg16(cc_tensor_t *in, cc_tensor_t **out)
+{
+	static int __shape0[] = {-1, 1, 1, 0};
+	static const char *p_namels[] = {
+		"000.w", "000.b", "001.w", "001.b", "002.w", "002.b", "003.w",
+		"003.b", "004.w", "004.b", "005.w", "005.b", "006.w", "006.b",
+		"007.w", "007.b", "008.w", "008.b", "009.w", "009.b", "010.w",
+		"010.b", "011.w", "011.b", "012.w", "012.b", "013.w", "013.b",
+		"014.w", "014.b", "015.w", "015.b"};
+	static cc_tensor_t *__pls[32];
+	cc_tensor_t *l1, *l2, *l3, *l4, *l5, *l6, *l7, *l8, *l9, *l10, *l11,
+	*l12, *l13, *l14, *l15, *l16, *l17, *l18, *l19, *l20, *l21, *l22, *l23,
+	*l24, *l25, *l26, *l27, *l28, *l29, *l30, *l31, *l32, *l33, *l34, *l35,
+	*l36, *l37;
+	static int i;
+	for (; i < 32; ++i) {
+		__pls[i] = cc_tsrmgr_get(p_namels[i]);
+	}
+	l1 = cc_conv2d(in, __pls[0], __pls[1], 1, 1, 0, "vgg16/l1");
+	l2 = cc_relu(l1, NULL);
+	l3 = cc_conv2d(l2, __pls[2], __pls[3], 1, 1, 0, "vgg16/l3");
+	l4 = cc_relu(l3, NULL);
+	l5 = cc_max_pool2d(l4, 2, "vgg16/l5");
+	l6 = cc_conv2d(l5, __pls[4], __pls[5], 1, 1, 0, "vgg16/l6");
+	l7 = cc_relu(l6, NULL);
+	l8 = cc_conv2d(l7, __pls[6], __pls[7], 1, 1, 0, "vgg16/l8");
+	l9 = cc_relu(l8, NULL);
+	l10 = cc_max_pool2d(l9, 2, "vgg16/l10");
+	l11 = cc_conv2d(l10, __pls[8], __pls[9], 1, 1, 0, "vgg16/l11");
+	l12 = cc_relu(l11, NULL);
+	l13 = cc_conv2d(l12, __pls[10], __pls[11], 1, 1, 0, "vgg16/l13");
+	l14 = cc_relu(l13, NULL);
+	l15 = cc_conv2d(l14, __pls[12], __pls[13], 1, 1, 0, "vgg16/l15");
+	l16 = cc_relu(l15, NULL);
+	l17 = cc_max_pool2d(l16, 2, "vgg16/l17");
+	l18 = cc_conv2d(l17, __pls[14], __pls[15], 1, 1, 0, "vgg16/l18");
+	l19 = cc_relu(l18, NULL);
+	l20 = cc_conv2d(l19, __pls[16], __pls[17], 1, 1, 0, "vgg16/l20");
+	l21 = cc_relu(l20, NULL);
+	l22 = cc_conv2d(l21, __pls[18], __pls[19], 1, 1, 0, "vgg16/l22");
+	l23 = cc_relu(l22, NULL);
+	l24 = cc_max_pool2d(l23, 2, "vgg16/l24");
+	l25 = cc_conv2d(l24, __pls[20], __pls[21], 1, 1, 0, "vgg16/l25");
+	l26 = cc_relu(l25, NULL);
+	l27 = cc_conv2d(l26, __pls[22], __pls[23], 1, 1, 0, "vgg16/l27");
+	l28 = cc_relu(l27, NULL);
+	l29 = cc_conv2d(l28, __pls[24], __pls[25], 1, 1, 0, "vgg16/l29");
+	l30 = cc_relu(l29, NULL);
+	l31 = cc_max_pool2d(l30, 2, "vgg16/l31");
+	l32 = cc_reshape(l31, __shape0);
+	l33 = cc_fully_connected(l32, __pls[26], __pls[27], "vgg16/l33");
+	l34 = cc_relu(l33, NULL);
+	l35 = cc_fully_connected(l34, __pls[28], __pls[29], "vgg16/l35");
+	l36 = cc_relu(l35, NULL);
+	l37 = cc_fully_connected(l36, __pls[30], __pls[31], "vgg16/l37");
+	*out = cc_softmax(l37, NULL);
+}
diff --git a/makefile b/makefile
index 42d4b45..ea8fa97 100644
--- a/makefile
+++ b/makefile
@@ -113,7 +113,7 @@ util_vec.o util_image.o global_fn_cfg.o
 
 CATCOON_A = libcatcoon.a
 
-APPS_DEMO = simple lenet 
+APPS_DEMO = simple lenet vgg16
 APPS_UTIL = lspkg mkpkg cclua
 
 APP_NAMES  = $(APPS_DEMO) $(APPS_UTIL)