PROBLEM TO BE SOLVED: To provide a plaster sticking tool for sticking a plaster or poultice, a body warmer to be attached to a body, a home magnetic therapy device, or the like to the back by one person. SOLUTION: A sheet file 30 is arranged on a convex surface 10 forming a part of a spherical surface, a slit 40 is arranged in the vicinity of the sheet file 30, and a metal screw 60 is further arranged at a substantially central position of the convex surface 10. A plaster or poultice placed on the surface can be attached to any part of the back using a handle 20 provided on the convex surface 10. [Selection diagram] Fig. 1【課題】膏薬または湿布薬、体に貼るカイロ、家庭用磁気治療器等を一人で背中へ貼るための膏薬貼付け具を提供する。【解決手段】球面の一部をなす凸面10にシートヤスリ30とシートヤスリ30の近傍にスリット40と、さらに、凸面10の略中心位置に金属製ネジ60を配設してなり、シートヤスリ30の上に乗せた膏薬または湿布薬等を凸面10に備えた柄20を用いて背中の任意の部位に貼付け可能とした。【選択図】図1