According to the spirit of the Ministry of Industry and Information Technology " Notice about open broadband access markets to private capital ", this article researches on the current status of China's private enterprises in the broadband market, compares the private broadband infrastructure operators in business models, demonstrates the strengths and weaknesses of private capital in the broadband access market, analyzes alternative models of private capital into the market. It studies about the private capital into the broadband operator market model and proposes the pattern determination map of private capital to enter the market.