The invention provides a hand dewatering machine. The machine comprises a water collecting trough. An outer tank is fixed on the upper surface of the water collecting trough a support rod. Two sides of the water collecting trough are provided with support racks. The inner side surfaces of upper end of the support racks are provided with fixing rods. Hand-holding a mobile cover to swing the swinging arm can make a rotating shaft and an inner cylinder to rotate, because of the centrifugal force, clothes are attached to the inner cylinder wall, and the water is spread out. At the same time, an elastic arm makes a rolling cylinder to roll the clothes to facilitate the dewatering and enhance the dewatering efficiency. The hand dewatering machine is simple in structure, reasonable in design, small in size, light in weight, low in production cost and malfunction rate. The machine applies a pure mechanical structure, the transmission efficiency is high, the operation stability is good. The power is provided with manual hand swing, no electrical power is used, therefore not only the body is exercised, but also the dewatering of the clothes is done, the machine brings convenience to the fast air-drying of the clothes, the use effect is good. The machine is suitable to the areas such as student's dormitory for which large power electrical appliances are not appropriate. The use safety is good.