The invention discloses a special safety distribution cabinet for a low-voltage distribution system. A cabinet body comprises upright columns, the upper and lower ends of the upright columns are fixedly connected with a frame, the frame is a quadrangle surrounded by connecting frame bars end to end, A first insect-proof net is arranged inside the frame, A second insect-proof net is arranged between the frame and the upright columns, the front and rear sides of the cabinet body are provided with cabinet doors, the top of the cabinet body is provided with a baffle plate, the bottom of the cabinet body is provided with a support plate and an insect repellent device, and both ends of the insect repellent device are connected with a support plate, the insect repellent device comprises a heatingdevice, an electric mosquito coil is arranged on the top of the heating device, a fan is arranged above the electric mosquito coil, The top of the fan is fixedly connected with the bottom of the cabinet body, and the fan blows the cabinet body; the inside of the cabinet body is symmetrically provided with a mounting plate, and the mounting plate is uniformly provided with through holes; the top and bottom of the mounting plate are fixedly connected with the frame; horizontal plates are arranged between the mounting plates, and both ends of the horizontal plates are fixedly connectesd with themounting plate. The invention has good protection and heat dissipation.