The present invention provides an exposure prevention cover that prevents exposure to a drug solution, pharmaceuticals or the like, an exposure prevention cover module provided with the same, a drug solution supply system, and a drug solution supply method. An exposure prevention cover for housing a drug solution container that contains a drug solution and has a connection port through which the drug solution can be discharged, includes a cover body that houses the drug solution container and has an opening open to the outside for inserting the drug solution container; a closure section that closes the opening; a holding section that holds the drug solution container housed in the cover body inside the cover body; a connection section that is attached to the cover body and can be connected to the discharge port of the drug solution container, so that the drug solution in the drug solution container can be discharged outside the cover body; and a suspension section provided on the cover body for suspending the
