Braking is the most important thing for vehicle driving safety. Even if the vehicle has other system faults, if the brake is effective, the driver can stop the vehicle to avoid collision, collision with people and wall. In the process of using, installing, replacing and maintaining the brake, if you don't pay attention to it a little, it will bury hidden dangers for causing great disaster. The following is a summary of the basic composition of the brake system and the daily maintenance of the brake.