随着粮食流通体制市场化取向改革的不断深入，政策性收购资金的安全及风险性质正在发生根本性变化。主产区农发行如何更好地发挥政策性金融职能，执行国家购销政策和封闭管理政策，防范和化解信贷资金风险，是我们亟待解决的难题。本文拟以产粮大市湖北省荆州市为例初作探讨。 With the deepening of market-oriented reform of grain circulation system, the security and risk nature of policy acquisition funds are undergoing fundamental changes. How to better exert the policy-oriented financial functions, implement the national purchasing and selling policies and the closed management policies and prevent and resolve the risks of credit funds are the problems we urgently need to solve. This article intends to discuss the case of Jingzhou, a major grain-producing city in Hubei Province.