Through the innovation and improvement in recent years, solar energy technology has tend to mature, solar street light can in each region in the large scale promotion use, should also be preferred lighting designs city-lighting project. It also didn't mean to exaggerate the use of solar street lamps, but according to the current environment deterioration, the shortage of energy, to alleviate the situation, solar street light is in use. Outdoor lighting market in low carbon economy leads, the content of science and technology in progress, do not have to worry about technology does not pass solar street lamps, outdoor lamps, although now is very convenient people to travel at night, but it is also very power, in addition to will consume a lot of energy, it will take a lot of money on electricity bills, many remote rugged areas in use, this is also one reason for the difference between the urban economy. Solar street light is different, it lack access to electricity, said simply, solar street light is depend on the sun light, and what place can't install, installation of solar street light on resources and geography are not limited to the use of it, it will be used in various areas.