With rapid development of science technology ,most enterprises ,governments ,and universities have set up their own application systems and resource systems .These systems have been established un‐der different situations .How to realize manipulation and resource sharing among these systems has become the urgent task .This paper proposes a transmission protocol based on the middleware of TongLink /Q , and designs the system of transmitting ,receiving ,replying message ,in order to achieve the point to point multi thread transmission .The test shows that the message oriented middleware software systemwhich is proposed in this paper can meet the application demand of the data exchange platform and is suitable for constructing the data exchange platform of enterprises .