It is authentic. Niuzhuang Pie in Xiaosong is also called Niuzhuang Pie in Haicheng. It is a general term referring to the traditional pies in Haicheng, Liaoning Province. It comes from the daily food of local people and is characterized by its thin and crisp crust (the difference between the crust and the southern pies is that the crust of Haicheng pies is warm and the dough is warm, but the noodles wake up but not fat, and after frying, the crust is thin and tender, and the stuffing is delicious, which is extremely attractive in color and taste). It is slowly fried and roasted with slow fire, and its taste is famous for its freshness. It is a traditional food in the north.