Method: Twice weight was inventoried in category and quantity before and after inhabitant 3 days prandium, and then accounting various cibarian consumption was counted by weighing and 24h review. 方法:采用称重法和24h回顾法,通过对居民3d膳食的种类和数量在食用前和食用后进行2次重量盘存,计算出各种食物的消费量。