Portable tool box for automobile maintenance

The utility model relates to the technical field of automobile maintenance tools, in particular to a portable tool box for automobile maintenance, which comprises a box body, a front support group and a rear support group are arranged at the lower end of the box body, and two support legs are arranged on each support group at intervals left and right. The end, away from the other supporting leg, of each supporting leg in the left-right direction is rotationally connected with the box body and forms a rotating end, and the end, close to the other supporting leg, of each supporting leg forms a freely-rotating supporting end. The supporting ends of the two supporting legs in the same group are close to each other and abut against the box body to be in a storage state, the supporting ends of the two supporting legs in the same group rotate downwards and are away from each other to be in an opening state, and stopping mechanisms which are in one-to-one correspondence with the supporting legs and used for limiting