Courtyard lights developed into the 1990s and were widely used in urban slow lanes, narrow lanes, residential areas, tourist attractions, parks, squares, private gardens, courtyard corridors, and other public places. One or both sides of the road were used for road lighting to improve the safety of people's nighttime travel and increase their outdoor activities time, improving the safety of life and property. It can also change people's mood, enhance their emotions, and change their mindset, creating a palette like night with alternating light and dark. During the day, courtyard lights can adorn the city scenery; At night, courtyard lighting fixtures can provide necessary lighting and living convenience, increase residents' sense of security, and highlight the highlights of the city, showcasing a bright style, to the extent that they have been used to this day and have developed into a mature industrial chain.