The invention discloses a power transmission and transformation IR and UV image recognition and on-line monitoring device, which comprises cameras, a network hard disk video recorder, a slave server and a main server, wherein the cameras are arranged on a camera holder and used for acquiring image information in a scene, a positioning module used for acquiring position information and a controller used for controlling the camera holder to rotate are arranged on the camera holder, and the cameras include an infrared camera and an UV camera; the slave server is connected with a gateway router through the network hard disk video recorder; the slave server is connected with a client and the main server through a network cable; the client is a computer; and the main server comprises a plurality of mobile hard disks. The power transmission and transformation IR and UV image recognition and on-line monitoring device adopts the infrared camera and the UV camera to monitor the environment, increases monitoring frequency band, and ensures accuracy rate of alarming on situations such as fire; further, the infrared camera and the UV camera are integrated on the camera holder, and the increase of excessive cost is not required.