The utility model discloses a high-voltage power distribution cabinet convenient for temperature monitoring. The switch cabinet comprises a cabinet body and an electric device arranged in the cabinetbody. The electric devices are connected through flat cables. wherein a cabinet door is arranged on the cabinet body; an infrared imaging monitoring assembly is arranged in the cabinet body. The infrared imaging monitoring assembly comprises a focal plane detector, an imaging encoder and a wireless transmitting device. wherein the focal plane detector, the imaging encoder and the wireless generation device are connected in sequence, the focal plane detector is arranged at the inner side of the cabinet door, one end of the focal plane detector is provided with a lens, and the lens faces the direction of an electric device in the cabinet body. According to the utility model, global temperature monitoring in the electric control cabinet can be realized, the monitoring is more comprehensive and reliable, remote monitoring is carried out by workers, the safety distance between people and high-voltage power distribution is ensured, and dangerous accidents can be avoided.