Disclosed is an infection preventive catheter kit for preventing the infection of the wound. A percutaneous endoscopic gastrostomy (PEG) catheter 20 is inserted into an infection preventive cover 10, which is provided with a socket 13 at a distal end thereof. A head portion 15a of a guide wire 15 which is inserted into the PEG catheter 20 through a top end thereof and an in-stomach remaining member 23 provided at a distal end of the PEG catheter 20 are engaged with (fixed to) the socket 13 of the infection preventive cover 10 by a pin 14 penetrating the socket 13.