As for commercial lighting where lights are used for four hours, the LED light sources are of economic efficiency at the price of 8.02 yuan. While at the occasion of light use for one hour, economic efficiency occurs at the price of 4.36 yuan. The light use for 4 hours is living room lighting, while one hour lighting is most for kitchen, dining room and reading room. Therefore, we can see that as long as the cost performance of led high bay is kept at an economic point, it can certainly welcome an explosive growth. The growth will give a feedback to the upstream industry and drive the fast development of the whole LED Lights industry.