本文的研究表明,全球变暖将威胁中国的粮食安全。在全球变暖、人口增加、耕地面积减少、农业劳动力减少这些趋势难以逆转的情况下,增加对农业的资本投入、推动农业技术进步对中国粮食安全尤为重要。此外,全球变暖会影响全球粮食贸易格局,这使得中国建立稳定可靠的进口粮源保障体系的需要变得更为迫切。 The research in this paper shows that global warming will threaten China’s food security. Under the circumstance of global warming, population increase, reduction of cultivated land area and reduction of agricultural labor force, it is especially important to increase capital investment in agriculture and promote agricultural technological progress to food security in China. In addition, global warming will affect the global pattern of grain trade. This makes it even more urgent for China to establish a stable and reliable import grain security system.