The purpose of the present invention is to provide: a balloon catheter for drug administration, said balloon catheter being capable of not only keeping a drug stably during the stage of carrying the drug to an affected part but also releasing the drug quickly with the expansion of the balloon when has arrived at the affected part； and a process for producing the same. The present invention is a balloon catheter for drug administration, said balloon catheter comprising: a balloon； a copolymer layer which is made from a dimethylacrylamide/glycidyl methacrylate copolymer and which is present on the outer surface of the balloon； and a drug layer which comprises polyethylene glycol and/or polypropylene glycol and paclitaxel and which is present on the copolymer layer. The present invention is also a process for producing the same.
