药品污染微生物（即染菌）是指药品中存在着不应有的，而且来源于外界的微生物。药品染菌是受环境、设备及使用器材的影响，除无菌制剂外，非无菌制剂的产品一般都非常容易受污染，其污染源可能来自原料、生产设备、空气、生产人员操作、包装容器等等与环境有关的各个环节，在 Drug-contaminated microorganisms (ie, bacteria) refer to microorganisms that are undesired in the drug and that are derived from the outside world. Drug contamination is affected by the environment, equipment and equipment used. In addition to sterile preparations, non-sterile preparations are generally very susceptible to contamination. The source of contamination may come from raw materials, production equipment, air, production personnel operations, packaging containers. And so on with all aspects related to the environment,