Rural three integration of industry development is a new path of modern agriculture development in the new period, is a significant innovation to speed up the transformation of the mode of agricultural development of thinking, is a theory and practice and huge system engineering, is lacking in our country modernization, promote the sustainable economic and social development of our country's long-term needs.Three times in three northeast provinces rural industrial convergence development momentum, the rural service industry develops rapidly, and agricultural leisure function has been mining;But at the same time, three times in three northeast provinces rural industrial convergence is still in the primary stage of development, there are some problems to be solved.Need to create three fusion development mechanism of industry, innovation three industrial convergence development mode, strengthen the agricultural product processing industry leading role, speed up the development of leisure sightseeing agriculture, promote agricultural industrialization operation quality and efficient development, and realize the three northeast provinces rural industry deeply integrated three times.