Abstract: With the progress of science and technology, agricultural mechanization has become an important means to promote the sustainable development of agriculture. On the basis of explaining the significance of establishing and developing agricultural machinery cooperatives, this paper analyzed the advantages of Internet information technology to promote agricultural mechanization,discussed the application of Internet information technology in agricultural machinery promotion and the construction and development of agricultural machinery cooperatives, and looked forward to the development prospect of agricultural machinery cooperatives, in order to provide ideas for the sustainable development of agriculture.