Through comparative analysis on the private economy development in Zhejiang, Fujian and Guangdong provinces, the successful experience to promote the development of private economy is believed to respect the pioneering spirit of entrepreneurship, to create a relaxed atmosphere, to improve the level of service to the development of private economy. The plan for the future development of private economy, it will be need to develop scale economy and encourage private enterprises to become bigger and stronger, and continuously improve the competitiveness of enterprises, to encourage the private economy to accelerate industrial restructuring and upgrading and improve the quality of the enterprises, to cultivate new growth points based on the existing industries.