The utility model belongs to the technical field of the bicycle, specifically a vice structure of combined material bicycle rim brake, including wheel rim and brake shoe, its characterized in that: the outside is equipped with groove structure about the wheel rim, packs in the recess and is fixed with the friction piece, and the friction piece corresponds the outside and sets up the brake shoe on brake seat. The beneficial effects of the utility model are that: simple structure, for the dish structure of stopping, whole vehicle weight volume that can the greatly reduced bicycle, improve the wheel rim performance, frictional force is stable, long service life, beautifully.