In recent years, the LED industry has maintained rapid growth. However, since 2012, with some enterprises closed down, Shenzhen suddenly abolished the LED industry development plan in early 2013, making the LED overcapacity theory cover the whole industry. In addition to its broad application prospects in landscape lighting, logo and indicative lighting, indoor lighting and other fields, LED also has broad applications in agriculture, automotive electronics, optical communication and other fields. it provides a guarantee for improving the utilization of LED production capacity and reducing the risks of LED industry. LED industry has many advantages such as energy conservation and environmental protection, high added value, and conforming to the direction of technological development. Governments of various countries attach great importance to it and support it as a strategic emerging industry in their own countries. it is also one of the development directions supported by China. At present, LED lighting has become the main driving force for the growth of LED market. At present, the market penetration rate of LED in domestic lighting in China is still relatively low. With the price drop and the implementation of the state subsidy policy, the civilian market penetration rate of LED lighting will increase, and the domestic LED lighting market has huge space.