There is a way to repair the pit in the car: according to the location of the pit, choose a suitable round crowbar, then use the crowbar round head part in the car body to prop up the pit with appropriate force, and repair it with a pit puller where it is out of reach. Usually, the pit on the car body can be repaired. If the pit is deep, it can be repaired with sheet metal. The specific method of sheet metal: firstly, the compressed frame is stretched to the state required by the original data by using the special slip for sheet metal, and then hammering is started, and the concave part is restored to the original data by various tools; Then welding, and welding and repairing the broken or damaged place; Finally, polishing, using polishing tools to treat the repaired surface, and then preparing the painting process.