China is a country with a large population. Food security is not only an economic issue, but also a social and political issue. The Major Consulting Project of "Strategy Study of Sustainable Development of Food Security in the Context of International Green" evaluates the current situation of regional food security in China, combs the main problems faced by regional food security in the context of international green, and analyzes the changes of food security supply and demand in six regions from northeast, North China, central China, southeast coastal, northwest and southwest to 2035. This paper forecasts the trend, analyzes the potential of regional food security in response to the internationalization and green development, puts forward the coordinated green development mechanism of regional food security in China under the background of internationalization, and puts forward the strategic conception of sustainable development of regional food security in terms of guiding ideology, basic principles, development strategy, development objectives and major measures. Combined with the strategy of rural revitalization, the paper puts forward relevant policy suggestions, which is of great significance to ensure the national food security and promote the level of sustainable development (The cover picture is the wheat that is being dried and harvested by the farm workers in the Tanihe farm of Hulunbuir, Inner Mongolia).