从2002年下半年起，北京市对外埠进京鲜肉、蔬菜实行市场准入，以确保市民吃上放心肉和放心菜。外埠鲜肉、蔬菜如不符合北京市新制定的《猪肉安全卫生标准》、《蔬菜安全卫生标准》两个地方标准，将不准进京。北京市此次对外埠进京农产品实行市场准入，先从进入批发市场的鲜肉 Since the second half of 2002, Beijing Municipality has introduced market access to fresh meat and vegetables in other ports in other cities to ensure that the public can enjoy safe meat and safe food. Fresh meat and vegetables from other ports will not be allowed to enter Beijing if they do not meet the new standards of “pork safety and hygiene” and “vegetable safety and hygiene standards” formulated by Beijing Municipality. Beijing’s foreign markets to Beijing to implement agricultural products market access, the first to enter the wholesale market of fresh meat