To narrow this gap, this paper proposes an interact developing strategy based on the free factor flow under the market system, as well as some basic conditional analysis and a policy system.

Through study of necessity and possibility of rural tourism development in Yangtze River Delta Region,it is thought that combined development has much strategic significance to rural tourism development.

With the deepening of the reform and open-up policies and the transition of economic system of our country, the process of regional tourism combined development has been accelerating constantly since the mid-or late-1980s, especially after entering the 21st century.

This article uses economics and management theories(including transaction costs theory,game theory and core competence theory) to analyze and discuss the integration,combined development mechanism of manufacturing and logistics industry.

This paper analyses the interactive development of Yangtse River Economy Belt from vertical and horizontal angle.

It is also necessary and possible to launch the interactive development.

This paper attempts to describe mathematical model of the interactive development of the manufacturing and logistics industry based on ecological Logistic growth models.

Started with an analysis of the question of Farmer,Agriculture and Countryside while combining some representative perspectives and appraises in academic circles,it is put forward in this paper that the fundamental solution to the forgoing question is the mutual development of urbanization of rural areas and new industrialization.