In recent years, with the increase of grain production cost, grain producer began to extend the industrial chain and develop the integrated management of production, processing and marketing, so as to increase the benefit of planting grain crops and stabilize grain production. Jiande City is located in the west of Zhejiang Province. Although the area of grain production is small, it has taken a number of measures to promote the application of new varieties, new technologies and new models. Through helping the second generation of grain producer, it has promoted the integrated development of grain production, processing and marketing, further improved the quality of rice, increased the benefit of planting grain crops, and stabilized the area of grain crops. It has been awarded the title of “National Advanced County for Grain Production” and “Advanced County for Grain Production in Zhejiang Province”. This paper analyzed the current situation of grain production and large-scale rice production in Jiande City, and proposed countermeasures and suggestions for the integrated development production, processing and marketing of the main body of large-scale rice operation.