Tourist flow is one of the core issues in tourism geography research and has made ample research achievement in more than a half century. Tourism economy connection is a kind of relation between economic entities, the exchange of all kinds of population flow, materials flow, capital flow, information flow, energy flow, technology flow and so on is processed through tourism flow between tourism places in order to connect each other. This paper generalizes the related achievements in the research on tourism economy connection from such three aspects as basic theory, research method and the existed problems so as to further deepen the understanding of tourism flow economy connection and to expand the vision on the research on tourism economy connection. 