药品的有效期是指药品在规定的储藏条件下能保持其质量的期限,是涉及药品稳定性和使用安全性的标识。《药品管理法》规定,超过有效期的药品为劣药,销售或给患者使用劣药是违法行为。随着医疗卫生体制改革和药品生产流通体制改革的深入,药品库存和供应以及管理成为药品经营的首要任务,但 The expiration date of a pharmaceutical product refers to the expiration date that the pharmaceutical product can maintain its quality under the specified storage conditions and is an identifier related to the stability and safety of the pharmaceutical product. The Drug Administration Law stipulates that drugs that expire their validity period are substandard drugs and that it is against the law to sell drugs or use inferior drugs to patients. With the deepening reform of the medical and health system and the reform of the system of drug production and distribution, drug inventory and supply and management have become the top priority of drug management