Zipper product classification is one of the main technical contents of product standards. It is a scientific classification and reasonable division of product types, varieties, forms and specifications in product standards to maximize the satisfaction of different needs of users. According to the object of the zipper, the Y - shaped zipper wire is divided into three levels according to the world-wide environmental protection standard. The first level is for contact with baby skin, the second level is for direct contact with the skin, and the third level is for direct contact with the skin. According to the actual production situation of the enterprise and the metal zipper standard the Y-teeth wire is divided into3\4\5\7\8\10, specifications according to the motel. The establishment of this specification is based on the data of market demand for statistics and analysis, and more is considered from the scientific and economical nature of the specification distribution. It turns out that the more specifications, the closer the size, the cost advantage is not obvious for both production management and customer use.