粮食是直接关系国计民生的战略物资，在整个国民经济中具有举足轻重的地位。世界各国对粮食生产都采取了一定的保护措施，以维护国家粮食安全，稳定粮食价格，提高农民收入，保护消费者利益。受国家产业政策的影响，我国政府对粮食采取保护措施起步较晚，其中主要是对粮食流通 Food is a strategic material that directly affects the national economy and the people’s livelihood and plays a decisive role in the entire national economy. All countries in the world have taken some measures to protect food production in order to safeguard the national food security, stabilize food prices, raise farmers’ income and protect the interests of consumers. Affected by the national industrial policies, the government of our country started protective measures on grain lately, mainly on food distribution