Smart cities are changing people's lifestyles and improving urban efficiency. As a lighting solution to replace traditional street lights, smart solar street lights can not only greatly save energy consumption and reduce energy costs but also achieve zero emissions and zero pollution. Smart solar street lights outdoor can provide people with appropriate lighting anytime and anywhere, while being equipped with more smart devices to collect data from these devices in real time, providing the necessary foundation for better urban construction. Smart solar led street lights will play an important role in the growth and development of smart cities.