在“核心-边缘”空间结构日益明显背景下，粮食产销区域间分工不断强化，对粮食安全产生了深远影响。运用GDP方法考察中国经济版图的“核心-边缘”空间结构，分析该结构对区域间粮食播种面积、粮食产量、食物生产的互补性以及粮食安全稳定性的影响，在此基础上探讨了这些影响导致的区域间粮食安全责任不平衡、粮食主产区发展受限、粮食主销区自身的粮食安全受影响以及南方粮食主产区耕地撂荒抛荒现象相对严重等问题。为了更好地保障粮食安全，提出要从大食物观视角出发，构建粮食区域利益补偿机制，设定粮食自给底线，落实主销区和平衡区的粮食安全省长责任制等。

Under the background of the increasingly obvious “core-periphery” spatial structure, the division of labor in grain producing areas and grain sales regions has been continuously reinforced, which has a profound impact on food security. By using GDP method, the “core-periphery” spatial structure on China’s economic map has been investigated and the impact on the inter-regional grain planting acreage, grain output, complementarity of grain production and stability of food security has been analyzed. On this basis, the imbalanced regional responsibility for food security, the limited development of the main grain producing areas, the affected food security of the main grain sales regions, and the abandonment of arable land in major grain producing areas in southern China have been probed. To better ensure food security, a compensation mechanism for grain regional benefit should be established, a bottom line for food self-sufficiency should be set, and the system of provincial governors responsibility for food security in the main grain sales regions and grain balance regions should be improved, from the perspective of the big food viewpoint.

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中国博士后科学基金第72批面上资助项目（2022MD723808）；成都理工大学“双一流”建设哲学社会科学重点建设项目(ZDJS202209)和中青年骨干教师发展资助计划（10912-JXGG2022-04396）