The structural reform of the agricultural supply side requires the innovation of modern agricultural industrialization organization form, and the modern agricultural industrialization association is new achievement to explore the economic growth pattern of agricultural industrialization. The agricultural industrial chain of labour division, the progress of agricultural technology and reasonable distribution of benefits is the modern agricultural supply side concerns, policy guidance, system guarantee and practice reflection which is a good institutional environment for modern agricultural industrialization. The operating mechanism is used to enhance the scale effects connected by industry, quality and safety of agricultural products must be ensured through the coupling elements, so that farmers share the modern agricultural industrial chain profit connected by interests, objectives and requirements which fit the agricultural supply side structural reform. Wuhan City Industry Association empirical analysis shows that the combination of the food industry chain connects with the main management, makes the quality fit the needs of consumers, and increases farmers’ income, by reducing the cost of agricultural production and good performance. We should cultivate various types of business entities, catalytic coupling mechanism and the construction of government service platform to promote modern agricultural industrialization development consortium, Study on the theory of economic growth and benefit allocation of modern agricultural industrialization from the perspective of supply side reform has become an important carrier and platform of leading agricultural supply side structural reform.