The utility model discloses a heat radiation machine cabinet comprising a top plate, an alerter, ventilation windows, a left side panel, a front panel, a right side panel, temperature sensors, a rear panel and a fan device. The top plate, the left side panel, the front panel, the right side panel and the rear panel are interconnected in turn. The top plate is provided with the fan device and the alerter. The ventilation windows are installed on the left side panel and the right side panel. The temperature sensors are installed on the front panel and the rear panel. Defects that internal equipment of the machine cabinet is damaged due to the fact that the existing machine cabinet is poor in heat radiation effect, ventilation is obstructed and heat is liable to accumulate in the machine cabinet are overcome by the heat radiation machine cabinet, and the machine cabinet capable of radiating heat generated in operation of the internal equipment of the machine cabinet is provided. The heat radiation machine cabinet is a heat radiation type machine cabinet composed of the machine cabinet body and one fan device, and influence on normal operation of the equipment caused by overheating of temperature in the machine cabinet can be prevented after application of the heat radiation machine cabinet.