1931年“九一八”事变以后，东北三省被日本帝国主义侵占，国民政府为了战时需要，提出了二十多项开发西北的计划和决议。抗战爆发以后，随着华北、华中和华南的沦陷，西北地区成为抗日的大后方，肩负着保证抗日军需民用物资的重任。由于西北地区经济落后，开发西北的问题显得 After the “September 18” Incident in 1931, the three northeastern provinces were invaded by Japanese imperialists and the national government proposed more than 20 plans and resolutions for the development of the Northwest in order to meet the demands of the war. After the outbreak of the war of resistance against Japan, with the fall of North China, Central China and South China, the northwest became the rear area of ​​the anti-Japanese war and shouldered the heavy task of guaranteeing civil supplies to the Japanese military. Due to the backward economy in the northwest, the problem of developing the northwest appears