我国《药品管理法》规定,超过有效期的药品为劣药.要禁止生产、销售.药品的有效期是指药品在一定贮存条件下,能够保持质量的期限.凡规定有效期的药品,常因其理化性质不太稳定,易受外界的影响,如湿度、光 China’s “Drug Administration Law” provides that over the valid period of the drug is inferior. To prohibit the production and sale of the drug is the validity period of the drug under certain storage conditions, to maintain the quality of the deadline. Where the prescribed period of validity of the drug, often because of its physical and chemical The nature is not very stable, vulnerable to external influences, such as humidity, light