A coating film transfer tool has a front end portion of a case main body with a head cap slidably disposed in front and rear directions between an advanced position in a state of covering a transfer head and a rear position in a state of exposing the transfer head. The head cap is urged in a direction of the advanced position by a spring, when started to be used. By pressing a front end portion of the head cap against a face, the head cap can be moved to the rear position. Inside the case main body is a tape reeling out means for reeling out a transfer tape to the transfer head. The tape reeling out means moves in cooperation with movement of the head cap to the rear position when started to be used, to be able to reel out the transfer tape to the transfer head.