Brake shoe refers to the action of the brake CAM or push rod and is pushed out to suppress the brake swelling brake function of the accessories, mounted on the brake drum, is one of the key safety parts in the automobile brake system. the shape of the brake shoe is like a half-moon. When stepping on the brake, the two half-moon shaped brake shoes are stretched out under the action of the brake wheel cylinder, and the brake shoes are supported to rub the inner wall of the brake drum to slow down or stop.