为了对农产品市场作出全面预测，本文从理论上建立了一个系统模型，该模型包括农产品投入市场、农户农产品生产和需求、流通厂商对各种市场投入的需求和供给、消费者的最终农产品需求和供给构成。同时，为直接反映农产品市场的变化，本文在最后给出了反映农产品市场变化的弹性模型 In order to make a comprehensive prediction of agricultural products market, this paper theoretically established a system model, which includes agricultural products into the market, farmers produce and demand of agricultural products, distribution companies to a variety of market demand and supply, consumer demand for the final agricultural products and Supply composition. At the same time, in order to directly reflect the changes of agricultural products market, this paper gives a flexible model that reflects the changes of agricultural products market