The Baoji–Chengdu railway or Baocheng railway, is a mixed single- and double-track, electrified, railroad in China between Baoji in Shaanxi province and Chengdu in Sichuan province. The Baocheng Line is the main railway connection between the northern/northwestern and southwestern China. The line has a total length of 668.2 km and passes through mostly mountainous terrain in southern Shaanxi, eastern Gansu and northern Sichuan. It opened in 1961 as the first rail outlet from Sichuan, and in 1975 became the first railway in China to be electrified. Other cities along route include Mianyang, Guangyuan, Guanghan and Lueyang.

Baoji is a prefecture-level city in western Shaanxi province, People's Republic of China. Since the early 1990s, Baoji has been the second largest city in Shaanxi.