The invention discloses a distribution box suitable for water surface, which comprises an outer box body, the bottom of the outer box body is slidably connected with a waterproof platform, the bottom of the waterproof platform is fixedly connected with a telescopic rod, and the bottom of the telescopic rod is sleeved with a Telescopic tube, one side of the telescopic tube is threaded with fixing bolts, the bottom of the waterproof platform is provided with a drain hole, one end of the drain hole is clamped with a wave cover, the surface of the outer box is threaded with box fixing bolts, the outer box The inner wall of the base is fixedly connected with a base, the surface of the base is slidably connected with the distribution box body, and the surface of the base is slidably connected with an exhaust and dehumidifying fan. It is suitable for the distribution box on the water surface. There are vents on one side of the outer box to achieve the effect of heat dissipation and moisture resistance. The outer box is equipped with warning signs to achieve the function of safety warning, thus solving the problem of With the development of the industry, the demand for energy is large, especially the development advantages of using hydropower to generate electricity are becoming more and more obvious, and the general distribution box is not applicable on the water surface.