The utility model mainly discloses an ultraviolet ray mountain fire monitored control system, including the ultraviolet camera lens, the ultraviolet detector, a data acquisition circuit, wireless sending module, the wireless receiving module, the computer, the ultraviolet camera lens is gatherd the flame signal who collects on the ultraviolet detector, the wireless receiving module of being sent the surveillance center with the form of GSM SMS by wireless sending module in the back is gathered to the data acquisition circuit to the signal of ultraviolet detector response, wireless receiving module and computer link, the computer is saved the received data, show, and provide alarm signal, through the ultraviolet camera lens, the detection and the collection of ultraviolet detector, the ultraviolet camera lens can radiate the ultraviolet ray, can reduce sunlight infrared disturbs, improve the accuracy that detects greatly, the throw off avoids interference.