[Problem] 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.
