近代以来 ,西南地区大规模的建设有两次 :一是在抗日战争时期 ,二是在三线建设时期。抗战时期的建设在一定程度上促进了西南地区社会经济的发展 ,为西南地区的现代化建设奠定了一定基础。本文拟对这一时期的西南建设做一述论 In modern times, there have been two large-scale construction projects in the southwest region: first, during the War of Resistance Against Japan; second, during the period of the third-line construction. The construction of the Anti-Japanese War to a certain extent, promoted the social and economic development in southwest China and laid a solid foundation for the modernization of southwest China. This article intends to make a comment on the southwestern construction of this period