With the traditional lighting enterprises switching to LED Lights, the topic that LED lighting will replace traditional lighting is no longer a debate worth discussing. Now all that led high bay need is an explosive breakthrough. Different assumptions can be made to domestic commercial and household application environment. The electricity price for household (assume to be 0.8 yuan/kwh) is lower than that for commercial use (assume to be 0.8 yuan/kwh), and household lighting are used in 365 days while commercial lighting is used 250 days annually. For strict and accurate economic analysis, the whole cost shall be compared including purchasing cost, electricity bills, cable cost, air conditioning bills, maintenance cost and environment cost.