口袋饼是河北省承德市的传统食品,至今已有300余年的历史。口袋饼在当地及周边地区十分畅销,成为一种非常方便的快餐品种。承德地处塞外。古代,这里人烟稀少,交通不便,往返关内外的旅客,往往要携带大量干粮作为长途跋涉的食物。清代,皇室在这里开发木兰围场、 Pocket cake is Chengde City, Hebei Province, the traditional food, has been more than 300 years of history. Pocket cakes in the local and surrounding areas is very popular, as a very convenient fast food varieties. Chengde is located outside the plug. In ancient times, there were sparsely populated and inaccessible travelers who often carried large quantities of dry food as a long-haul food. Qing Dynasty, royal development here Mulan yard,