In today’s 21st century, everything will happen. With the development and maturity of science and technology, many novel and new technologies are gradually being developed. When people enjoy the convenience brought by science and technology, they also lament a lot. New products can't stand the push of time, they are only a short-lived one. To say that the enduring technology and scientific application is the development of solar street lights. Solar street light is the embodiment of the progress of solar energy technology. It can convert solar radiation into electrical energy. It can be used in the lighting industry to illuminate people at night. It has a beautiful appearance and does not require electricity. It is widely used without restrictions, and has a wide range of applications. The lighting requirements used in cities, rural roads, industrial parks and other places, the installation industry is not so complicated. The development of solar street lights can best reflect one of the advantages that it can solve the inconvenient transportation, economic and underdevelopment, lack of conventional fuels, and it is difficult to use conventional energy to generate electricity in remote places, which can be used at night in these places. Get lighting, and at the same time our country is rich in solar energy resources, and can be used with confidence.