不少家庭都备些必需的药品,因此,了解药品的有效期是非常必要的。药品的有效期是指药品在一定贮存条件下,能够保持药品质量的期限,一般从药品包装上生产批号、有效期、失效期等来识别。药品的生产批号一般用六位数表示,从左至右,分别表示年、月、日。有的药厂批号上还连有分号。 Many families have prepared the necessary drugs, therefore, to understand the validity of the drug is very necessary. The expiration date of the drug refers to the time limit of the drug that can maintain the quality of the drug under certain storage conditions. Generally, it is identified from the production lot number, expiration date, expiration date, etc. on the drug packaging. Drug production batch number generally expressed in six digits, from left to right, respectively, said the year, month and day. Some pharmaceutical companies even have a semicolon lot number.