This paper explored the theory of endogenous driving force of agricultural industry integration in Shanxi Province to further promote the revitalization of agricultural industry in this region. Based on the sample data of 225 households in 16 villages of 8 town of Lingchuan county, Shanxi Province, this paper analyzed the factors affecting the endogenous driving force of agricultural industry integration in Shanxi Province from three levels of technology,product and business, government and market by using structural equation model. The results showed that technology was born in the subject of industry integration; Products and business, government and market all had significantly positive influence on the endogenous driving force of agricultural industry integration. Government and market had significantly positive influence on products and business; The income level of farmers, the quality of farmers' labor force, the technology transfer degree of agriculture-related enterprises, the development degree of information media, the degree of satisfaction with government work, and the degree of transaction convenience were the key factors affecting the development of agricultural industry integration in Shanxi Province.