With the improvement of the income level of Chinese residents, the food consumption structure has undergone tremendous changes, and the production and demand of vegetables are basically balanced. In this case, people's consumption of vegetables has gradually shifted from quantity to quality, requiring vegetables to be "high-quality, hygienic, nutritious, healthy and convenient". As a result, the production and demand of vegetables in China have changed from six aspects: to nutrition and health care; Change to "green food type"; Change to convenient clean dishes; Transformation to food-based vegetable industry; Transforming to fame, specialization, rarity and Excellence; Transforming to export to earn foreign exchange.