The utility model discloses an electric power overhauling box which comprises a box body and a box cover covering the box body. A plurality of tool grooves are formed in the box body, contact point type switches are arranged in the tool grooves, a lighting lamp, an alerting lamp and a power supply are arranged in the box body or on the box cover, the power supply is used for supplying power for the lighting lamp and the alerting lamp, and the contact point type switches are connected to a circuit formed by the alerting lamp and the power supply and used for controlling the alerting lamp to be switched on and off. The electric power overhauling tool box can provide lighting. Once the box cover is opened, the lighting lamp is lightened, and workers can conveniently take tools in the situations with insufficient light. When the tools are taken out, the alerting lamp is on and doesn't extinguish until the tools are put back into the tool grooves. Thus, the situation that the workers forget and lose the tools is avoided, and convenience for the workers to take, put and clear up the tools is brought.