Portable maintenance box with side tool box for automobile maintenance and detection

The utility model discloses a portable maintenance box with a side face tool box for automobile maintenance and detection, and belongs to the field of portable maintenance boxes, the portable maintenance box comprises a box body and supporting legs, and the supporting legs are movably installed at the two ends of the box body; the box body comprises a lower box body, two upper box bodies are movably mounted on the lower box body, the upper box bodies and the lower box body are movably connected through two first connecting rods, and first upper covers are movably mounted on the upper box bodies; the supporting legs are movably installed at the two ends of the box body, so that the maintenance box can be unfolded to be in the shape of a working table, personnel can conveniently take tools, and meanwhile the box body is arranged to be of a two-layer structure composed of the lower box body and the upper box body, so that the storage space is further refined; meanwhile, the rollers are arranged at one end of the