Abstract: As a new way to solve the current problems concerning agriculture, rural areas and farmers, industrial integration is still at an early stage of exploration. Based on the summary of a large number of researches on rural industrial integration at home and abroad, this study attempted to explore the mechanism of industrial integration in rural China, especially in poor areas through the method of anatomizing sparrows and the typical case of Xingyi City, Guizhou Province. The results showed that: in the practice of rural industry integration and development in Xingyi City: by means of multiple subjects training mechanism, commercial operation mechanism, interest-linked mechanism and safeguarding of employment mechanism, this study had explored the four integration modes of agriculture and animal husbandry industry, agriculture and forestry industry, green circular agriculture and tourism poverty alleviation and development. Under the analysis of the integration mechanism and mode of rural industry in Xingyi City, this study argues that the two major points of rural industrial integration are the cultivation of diversified integration entities and the construction of the mechanism of interest integration, which will promote the innovation of rural social governance in essence and form the endogenous motivation of rural development.