Bottle cap capable of preventing medicine leakage pollution

The utility model discloses a bottle cap capable of preventing medicine leakage pollution. A bottle cap belongs to the technical field of medical supplies, comprises a bottle cap body, and is characterized in that a liquid taking hole and an air hole are formed in the bottle cap body, a threaded connecting part is arranged at the position, corresponding to the liquid taking hole, of the bottle capbody, and a liquid taking cap capable of blocking the liquid taking hole is mounted on the threaded connecting part through threads; a valve plug structure capable of controlling opening and closingof the air hole is arranged at the position, corresponding to the air hole, of the bottle cap body. According to the utility model, liquid leakage pollution of the injector in the liquid suction process can be avoided. 本实用新型公开了一种可防止药品泄漏污染的瓶盖，属于医疗用品技术领域，包括瓶盖本体，其特征在于：所述瓶盖本体上设有取液孔和透气孔，所述瓶盖本体上对应所述取液孔的位置设有螺纹连接部，所述螺纹连接部上通过螺纹安装有能够封堵所述取液孔的取液盖；所述瓶盖本体上对应所述透气孔的位置设有能够控制所述透气孔开闭的阀堵结构。本实用新型可避免注射器在吸液过程中漏液污染。