The utility model relates to the technical field of automobile maintenance equipment, especially a kind of supporting device for automobile maintenance, it include: mounting table, the top of mounting table is provided with supporting mechanism and adjusting mechanism.The utility model is provided with mounting mechanism, when using, the tire is loaded by supporting mechanism, so as to adjust the height of mounting mechanism using adjusting mechanism, so that bolt and hub mounting hole are adapted, and then the switch of electric push rod one is opened, so that rotating plate moves, and then bolt penetrates hub mounting hole, and spacer sleeve is connected at the outside of bolt, and mounting nut is installed and can be used, simultaneously, before use, the position of moving plate needs to be adjusted according to the size of hub mounting hole, and locking nut is used to be fixed, so that the
adaptation degree of device is higher, and the applicability is wider, can be accurately adjusted according to the size of different automobile tire.