The utility model discloses a multifunctional movable anti-explosion power supply control box used in maintenance and first-aid repair. A vertical cabinet fixedly mounted at the upper part of a bearing frame is divided into a distribution box and a storage cabinet through a upright partition board; a cabinet door is arranged at the front part of the storage cabinet; a phase voltage power socket is arranged at the upper end of a panel at the back part of the distribution box; a line voltage power socket, a power switch, a power supply indicator and a distribution box are arranged on the panel; the distribution box is connected with the phase voltage power socket and the line voltage power socket respectively through power transmission cables; a leading-in box is matchedly arranged at the lower end of the panel; a winding roller is mounted at the lower part of the bearing frame; a power transmission cable is wound on the winding roller; a hand-operated wire wind-up rocking handle is matchedly and fixedly mounted at one end of the rotating shaft of the winding roller; the distribution box is connected with the leading-in box through a power transmission cable; the switch and the power supply indicator are connected in series with the connecting circuit of the leading-in box and the power transmission cable; and a roller is mounted at the bottom end of the bearing frame. The utility model facilitates site first-aid repair and maintenance of an emergency crew, and accelerates the speed of the first-aid repair and the maintenance.