PROBLEM TO BE SOLVED: To provide a fixing member excellent in the stability against deviation generated between the fixing member and a fixed member and in tracking the motion of the fixed member.SOLUTION: The fixing member in one embodiment comprises a flexible base material, and a hook-and-loop fastener provided on the base material. In the hook-and-loop fastener, grooves or penetration parts are formed. The thickness of the hook-and-loop fastener is 60 to 380 &mum.