This document stipulates the basic requirements, operational requirements, quality inspection, etc. for the operation of divided doses of medication. This group standard applies to medical institutions at all levels and drug retail enterprises and health care institutions outside medical institutions that meet the conditions for drug sub-dosing. This specification complies with relevant national standards, regulations, procedures and other relevant provisions. In the validity period management of drug divided-dose finished products, the validity period of split-dose finished products and machine-divided finished products refers to the "ExpirationDatingofUnit-DoseRepackagedSolidOralDosageFromDrugProductsGuidanceforIndustry" (2020.07) issued by the FDA.