通过对国际食品法典委员会、美国农业部国家营养数据库、德国食品法典与营养数据库、英格兰公共卫生部的食物分类和编码,及《中国食物成分表(2009版)》中食物编码的介绍,尽量全面了解食物分类和编码的作用、意义、规则以及补充机制等,从而对食物编码有一个更加清晰的认识,进而有助于我国食物编码工作的补充,同时为下一步中国居民食物消费状况调查的开展打下基础。 Through the introduction of the Codex Alimentarius Commission, the National Nutrition Database of the U.S. Department of Agriculture, the German Codex and Nutrition Database, the Food Classification and Coding of the Public Health in England, and the Food Coding in the 2009 China Food Ingredient List, Understand the function, meaning, rules and supplementary mechanisms of food classification and coding, so as to have a clearer understanding of food coding and further help to complement the work of food coding in our country. At the same time, it is necessary for the next survey of food consumption status of Chinese residents lay the foundation.