diff --git a/src/data.py b/src/data.py
index 1772397..7ff0438 100644
--- a/src/data.py
+++ b/src/data.py
@@ -59,7 +59,7 @@ class FaceImageIter(io.DataIter):
                  path_imgrec = None,
                  shuffle=False, aug_list=None, mean = None,
                  rand_mirror = False, cutoff = 0,
-                 c2c_threshold = 0.0, output_c2c = 0, c2c_mode = -10,
+                 c2c_threshold = 0.0, output_c2c = 0, c2c_mode = -10, limit = 0,
                  ctx_num = 0, images_per_identity = 0, data_extra = None, hard_mining = False, 
                  triplet_params = None, coco_mode = False,
                  mx_model = None,
@@ -187,6 +187,9 @@ class FaceImageIter(io.DataIter):
               print('id2range', len(self.id2range))
               print(len(self.idx2cos), len(self.idx2meancos), len(self.idx2flag))
               print('c2c_stat', c2c_stat)
+              if limit>0 and limit<len(self.imgidx):
+                random.shuffle(self.imgidx)
+                self.imgidx = self.imgidx[0:limit]
             else:
               self.imgidx = list(self.imgrec.keys)
             if shuffle:
diff --git a/src/train_softmax.py b/src/train_softmax.py
index c2d1cf6..0d38458 100644
--- a/src/train_softmax.py
+++ b/src/train_softmax.py
@@ -152,6 +152,8 @@ def parse_args():
       help='')
   parser.add_argument('--output-c2c', type=int, default=0,
       help='')
+  parser.add_argument('--train-limit', type=int, default=0,
+      help='')
   parser.add_argument('--margin', type=int, default=4,
       help='')
   parser.add_argument('--beta', type=float, default=1000.,
@@ -858,6 +860,7 @@ def train_net(args):
           c2c_threshold        = args.c2c_threshold,
           output_c2c           = args.output_c2c,
           c2c_mode             = args.c2c_mode,
+          limit                = args.train_limit,
           ctx_num              = args.ctx_num,
           images_per_identity  = args.images_per_identity,
           data_extra           = data_extra,
@@ -882,6 +885,7 @@ def train_net(args):
             c2c_threshold        = args.c2c_threshold,
             output_c2c           = args.output_c2c,
             c2c_mode             = args.c2c_mode,
+            limit                = args.train_limit,
             ctx_num              = args.ctx_num,
             images_per_identity  = args.images_per_identity,
             data_extra           = data_extra,