A clip for wig is offered which can prevent warping of a wig base.The clip 1 for wig is constituted with a frame-like reversible member 10 and a plurality of comb teeth 20 attached to the reversible member 10, the reversible member 10 is constituted with an U-shaped frame material 11 having leg portions 11B and 11C protruding from both ends of a support portion 11A and a connecting portion 12 connected to respective leg portions 11B and 11C of the U-shaped frame material 11, a plurality of comb teeth 20 are fixed at the end portion of the support portion 11A of the U-shaped frame material 11, the outer shape of the support portion 11A is formed to have a curvature of the circular arc along the curved periphery of the wig base 30, and the support portion of the clip 1 of a wig is provided at the position close to the periphery, thereby to be fixed to the reverse side of the wig base.