In 21st Century, private enterprises have opportunities to develop, owing the great help from the government and superiority from the operation of E-commerce. The development of private enterprises reflects greatly the development of local economy. The text studies those private enterprises’ development ways in our country, and tries to analyze the necessities and feasibilities of E-commerce. First, the text states the present development situation of private enterprises’ and discusses comprehensive characteristics with more details. Second, the paper analyzes the internal and external factors that obstruct the development of private enterprises. Then, according to the analysis to the private enterprises, the author tries to propose the available ways to make the private enterprises develop smoothly in E-commerce times.