This standard specifies the requirements, test methods, inspection rules and marking, Encasement, storage and transportation of white polyethylene terephthalate (PET) reflection films. It is suitable for white PET reflection films prepared by biaxially stretched process in the liquid crystal display industry. A series of necessary standard documents are cited, such as Encasement storage and transportation diagram signs, Optical inspection functional film determination methods, etc. The required part includes winding mass requirements and apparent mass requirements, among which the winding mass requirements require that the whole axis film is flat, elastic and uniform, and the winding is neat, and the end surface uniformity does not exceed 5 mm; the apparent mass requirements require that the product be uniform in appearance, free of foreign objects, black spots, scratches and other defects.