This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements of sanitary napkins and sanitary pads. This standard applies to specially designed structures, which are composed of outer covering materials, inner absorbent layers, anti-seepage bottom films, etc., and are formed by special packaging machines for women's menstrual (sanitary napkins) and non-menstrual (sanitary pads). Physiological hygiene products for external use.