To promote the organic unification of food security and modern high-efficiency agriculture is an inevitable requirement to realize the high-quality development of agriculture. it is also an important task to promote the modernization of agriculture and rural areas，especially for traditional agricultural areas. As a populous county and an agricultural county，tanghe county’s practice fully shows that traditional agricultural areas have great potential for improving quality and efficiency based on grain. Based on their characteristics，they have huge space to give full play to their advantages，and have unlimited potential to adjust，optimize，strengthen，extend and supplement the chain. They should stick to strengthening grain and make the industry viable，give full play to their advantages based on their characteristics，actively extend the industrial chain，upgrade the value chain and build the supply chain with the power of “returning wild geese”.