Automobile chassis protection device

The utility model discloses an automobile chassis protection device, which relates to the field of automobile chassis, and structurally comprises a protection assembly which is arranged to be connected with the bottom end of the chassis, and the protection assembly comprises a fixing part, a first protection plate, a second protection plate, a sliding block and a buffering part which are connected in sequence, the fixing part, the first protection plate, the second protection plate and the sliding block are respectively and movably connected through a rotating shaft in sequence, a sliding groove is formed in the buffering part, an elastic assembly is arranged in the sliding groove, the sliding block and the elastic assembly are sequentially embedded in the sliding groove, and the sliding block is connected with the sliding groove in a sliding mode. The fixing part and the buffering part are detachably connected with the chassis, installation is convenient, the protection assembly further comprises a third pro