Brake shoe refers to the brake CAM or push rod action and is pushed out to press the brake up the brake function of the accessories, installed on the brake drum, is one of the key safety parts in the automobile brake system. The shape of the brake shoes 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 rubbed against the inner wall of the brake drum to slow down or stop the car.