diff --git a/src/prepare_data/widerface_annotation_gen/transform.py b/src/prepare_data/widerface_annotation_gen/transform.py
new file mode 100644
index 0000000..fa92c11
--- /dev/null
+++ b/src/prepare_data/widerface_annotation_gen/transform.py
@@ -0,0 +1,46 @@
+from wider_loader import WIDER
+import cv2
+import time
+
+#wider face original images path
+path_to_image = '/idata/data/wider_face/WIDER_train/images'
+
+#matlab file path
+file_to_label = './wider_face_train.mat'
+
+#target file path
+target_file = './anno.txt'
+
+wider = WIDER(file_to_label, path_to_image)
+
+
+line_count = 0
+box_count = 0
+
+print 'start transforming....'
+t = time.time()
+
+with open(target_file, 'w+') as f:
+    # press ctrl-C to stop the process
+    for data in wider.next():
+        line = []
+        line.append(str(data.image_name))
+        line_count += 1
+        for i,box in enumerate(data.bboxes):
+            box_count += 1
+            for j,bvalue in enumerate(box):
+                line.append(str(bvalue))
+
+        line.append('\n')
+
+        line_str = ' '.join(line)
+        f.write(line_str)
+
+st = time.time()-t
+print 'end transforming'
+
+print 'spend time:%ld'%st
+print 'total line(images):%d'%line_count
+print 'total boxes(faces):%d'%box_count
+
+