粮食作为生活必需品,其价格变动对人民生活和国家经济安全都将产生极大的影响。本文通过分析维持近十二年的最低粮食收购价格给农户、消费者、企业以及政府带来的正向效应和逆向效应,就国内外经济环境的变化带来政策执行中出现的一系列问题找出原因,再从制度建设、财税等方面,寻求解决之道。 As a staple of daily necessities, the price changes of food will greatly affect people’s lives and the economic security of the country. By analyzing the positive effects and adverse effects brought by maintaining the lowest grain purchasing price in recent 12 years to farmers, consumers, enterprises and the government, this article brings forward a series of problems in the implementation of policies concerning the change of domestic and international economic environment. The reason, then from the system construction, tax and other aspects, to find a solution.