The invention provides a self-maintaining spring tray and a preparation method thereof. The self-maintaining spring tray comprises a tray body, the tray body is circular, and a through hole is arranged in the middle of the tray body. A mounting sleeve connected to the through hole; One end of the reinforcing rib is connected with the pallet body and the other end is connected with the through hole; A shock absorbing spring, wherein the shock absorbing spring is a plurality of, and the shock absorbing spring is sleeved on the reinforcing rib; An anti-rust layer sprayed on the outer surfaces ofthe pallet body and the reinforcing ribs; Anti-rust liquid storage tank. The self-service spring tray maintains the spring tray, prevents the tray from rusting, and ensures the normal use of the spring tray in the event of a strong bumping or collision of the vehicle.