The running of the water fountain's feng shui wheel is bound to form water potential. The continuous circulation of water is intended to create an endless stream, which has the best effect of promoting wealth transfer and strengthening the yang to promote wealth. Generally speaking, the water wheel of a running fountain should be a water wheel, a water mill or a water polo, and at least one of them should be available. Only when the water flows can the water wheel run or the water polo run. As the saying goes, "A mountain can manage people's wealth". The operation of the water wheel or water polo is bound to form a water potential, and the continuous circulation of water is to create an endless stream and play the best role in promoting wealth transfer. Nowadays, feng shui wheels are mostly equipped with lights. As the saying goes, "Water dominates Yang, while mountains dominate Yin", the lights have decorative effects, and they have the function of enhancing yang and promoting wealth.