Watering device

The invention provides a watering device, and belongs to the field of garden supplies. The watering device solves a problem that use of a watering device is not convenient. A technical scheme mainly comprises a water tank, and the water tank is connected with a water pipe. The device is characterized in that the water pipe is provided with a valve. The valve is a pressure valve. The water tank ismade of a transparent material. The water pipe is a plastic miniature pipe. When the device is used, the watering device is placed in open air. In daytime, after the sun illuminates the water tank, water in the water tank is heated and is evaporated, generated vapour forms pressure, the valve is opened, and water flows in a flowerpot through the water pipe. After environment temperature reduces, pressure in the water tank reduces, and the valve is closed. The watering device is simple in manufacturing and common in materials. In actual operation, the watering device is convenient and feasible,and has good practical va