PROBLEM TO BE SOLVED: To provide a supporter for artificial limb socket which not only lets a substantially cylindrical artificial limb socket with a plurality of projection pieces provided at its rear opening end support an amputated limb stably, but also is excellent in touch feeling, cushioning property, air permeability, and sweat-absorbing property.SOLUTION: A supporter 10 for artificial limb socket is formed with support fabrics 11 and 12 fitted to an outer peripheral surface around an amputated end of an amputated limb 30 in a circumferential direction of the amputated limb. A pocket 11b for inserting a projection piece 21a of an artificial limb socket 21 is provided at a position overlapping a projection piece 11a in the support fabrics 11 and 12. When the projection piece 21a is inserted to the pocket 11b, and the support fabrics 11 and 12 are fixed to the artificial limb socket 21, a gap (a blank part A) of the projection piece 21a is covered with the support fabrics 11 and 12.
