The invention provides: an exposure prevention cover that prevents exposure of a drug solution, drug product, etc. an exposure prevention cover module provided with same a drug solution supply system and a drug solution supply method. [Solution] An exposure prevention cover for housing a drug solution container that accommodates a drug solution and has a connection port capable of dispensing the drug solution is provided with: a main cover body that houses the drug solution container and has an opening, which opens to the outside and is for receiving the drug solution container a closure part that closes the opening a holder that holds the drug solution container housed in the main cover body inside the main cover body a connecting part that is installed on the main cover body, is capable of connecting to the dispensing port of the drug solution container, and is capable of dispensing the drug solution in the drug solution container outside of the main cover body and a suspending part that is provided on the main cover body and suspends the main cover body.本發明係提供可避免藥液、藥品等之暴露之暴露防止蓋,以及包含前述暴露防止蓋之暴露防止蓋模組、藥液供給系統及藥液供給方法。本發明係一種暴露防止蓋,用於容置可容納藥液並設有可排出前述藥液之連接口之藥液容器,其包含有:蓋本體,可容置前述藥液容器,並設有朝外部開口之開口部以容置前述藥液容器;封閉部,可封閉前述開口部;保持部,可將前述蓋本體中容置之前述藥液容器保持於前述蓋本體內;連接部,安裝於前述蓋本體上,可與前述藥液容器之排出口連接,而可朝前述蓋本體之外部排出前述藥液容器之藥液;及,懸吊部,設於前述蓋本體上,用於懸吊前述蓋本體。1‧‧‧蓋本體1A‧‧‧突出部1B‧‧‧開口部2‧‧‧容器保持部2A‧‧‧支持體2B‧‧‧卡止部2C‧‧‧突出片2D‧‧‧上保持部2E‧‧‧環部2F‧‧‧固定部3‧‧‧針體4‧‧‧針蓋
