The invention relates to a cruising type direct underwater video monitoring system belonging to the field of videography. The cruising type direct underwater video monitoring system comprises an electric ship, a lift towing device, an underwater low-light pick-up device, and the like, wherein the underwater low-light pick-up device comprises a micro-computer (6), a low-light camera (7), an electric zoom lens (8), a waterproof lampshade (10), an underwater compensating and illuminating source (11), a light color controller (12) and a protecting shade, wherein the upper end of the protecting shade is connected with the lift towing device by a bearing member (5), the lower end of the protecting shade is provided with a window (13), a flange platform at the bottom-end periphery of the protecting shade is connected with the waterproof lampshade (10), the underwater compensating and illuminating source (11) and the light color controller (12) are arranged in the waterproof lampshade (10), the low-light camera (7) is arranged on the top of the protecting shade, the upper end of the low-light camera (7) is connected with the micro-computer (6), and the lower end of the low-light camera (7) is connected with the electric zoom lens (8). The cruising type direct underwater video monitoring system can shoot clear video pictures in a muddy water area and is completely controlled in an intelligent mode.