As the development of Tianjin Equity Exchange nearly two years，on the one hand，the market scale are expanding gradually；on the other hand，according to the experience of foreign matured over-the-counter market，we are exploring the construction pattern of China’s over-the-counter market actively，and we have built our own mode preliminarily，which includes a series of characteristic：private financing pattern of “small，many times，rapid and low cost”，mixed trading system focusing on market maker，double progressive market structure mode combining the national market with regional market，and the self-discipline supervision mode of multi-agent participation under unified system.