Abstract: Disclosed is an automobile chassis, which includes a chassis main beam, a chassis cross beam and a support cross beam. The quantity of the chassis main beams is two. The two chassis main beams are arranged in parallel. A section shape of the chassis main beam is “”, and the openings of the two chassis main beams are arranged opposite. The quantity of the support cross beams is more than one. All the support cross beams are arranged between the two chassis main beams. A length direction of the support cross beam is perpendicular to a length direction of the chassis main beam. The chassis cross beam is arranged at an end of the chassis main beam, and both ends of the chassis cross beam are respectively connected and fixed with the two chassis main beams.