商品条码是将表示商品信息的数字代码转换成由一组规则排列的平行线条构成的特殊符号。是由一组按一定编码规则排列的条、空符号,用以表示一定的字符、数字及符号组成的信息。1970年,美国的食品杂货业率先在食品包装载体上使用这种条码,随之扩展到世界范围内使用。商品条码是商品的“身份证”,是商品流通于国际市场的“共同语言”。 Product bar codes are special symbols that convert the numeric code representing product information into parallel lines arranged by a set of rules. Is composed of a group of rules arranged by a certain number of bars, empty symbols, used to represent certain characters, numbers and symbols composed of information. In 1970, the grocery industry in the United States pioneered the use of such bar codes on food packaging carriers and subsequently extended their use worldwide. Product bar code is the product of “identity card” is the circulation of commodities in the international market, “common language.”