Fountain is a kind of natural landscape, is the ground outcrop of confined water. The fountain in the garden, usually for the needs of the landscape, the artificial construction of the decorative spray device. The fountain can moisten the surrounding air, reduce the dust and lower the temperature. The tiny drops of water in the fountain collide with the molecules of the air and produce a large amount of negative oxygen ions. Therefore, the fountain is beneficial to improve the appearance of the city and improve the physical and mental health of residents.