In 2012, with the pressure of energy conservation and emission reduction, the acceptance of LED street lamps has increased significantly. Local governments have accelerated the promotion of LED street lamps. Chongqing plans to install 50 thousand LED street lamps within two years; Zhengzhou, Henan province plans to promote installation before 2015. 80 thousand LED street lamps; Yangzhou, Jiangsu plans to use LED lighting products for 100 of secondary road lighting and community lighting, and 30 of urban main road lighting and LED lighting products by 2015. The demand for LED street lamps will reach 50 thousand. Hainan province plans to replace 210 thousand street lamps in the province with LED street lamps by the end of 2012; As of 2011, more than 16000 LED street lamps have been installed in various towns and districts in Zhongshan, Guangdong province, and the total number of LED street lamps is planned to reach 50 thousand by the end of 2012. Foshan also strives to reach 120 thousand LED street lamps by 2012. Not only at home, but also in 2012, many foreign countries have begun to start energy conservation and emission reduction plans. The promotion of LED street lamps is one of the main measures of energy conservation and emission reduction plans. 2012, china led street lamp production will be up to 1. 22 million light with than growth 79. As a key component of LED street lamps, LED street lamp driving power supply will also develop rapidly with the rapid promotion of LED street lamps in 2012. it will be an opportunity for LED street lamp drive power companies with technical and financial strength.