LED lighting products are a successful technological revolution of lighting sources after incandescent lamps and fluorescent lamps. They are highly efficient and energy-saving lighting products that realize the green and sustainable development of the social economy. Compared with ordinary incandescent lamps, they can save 60%-80% of electricity and consume electricity. Few, long life, strong directionality, rich colors, vibration resistance, strong controllability, etc. LED products have been greatly developed and applied in the lighting engineering industry, which has promoted the development of the lighting engineering industry.