The road lighting system with high pressure sodium lamp as the main body is researched and reconstructed, and a new lighting renovation scheme based on the energy management contracting（EMC）mode with high efficiency LED lamps is put forward. The working principle of LED lights driving power supply is introduced, the advantages of the EMC mode of the contract is analyzed, the scheme of road lighting renovation is explained, and the effect of the implementation is expounded. This scheme realizes the effect of zero input and energy saving and environmental protection of the user’s transformation process. At the same time, it also realizes the goal of the energy saving service company’s allocation of resources to increase the income, and makes both sides share the economic benefits brought by the electric energy saving.