The Ministry of Posts and Communications or Youchuanbu (Chinese: ; pinyin: Yóuchuánbù) was a Qing and Republican Chinese ministry responsible for mail and telecommunications and for the Chinese rail network.
It was established in 1906 through the unification of the Imperial Railroad of North China and other railroads with the postal administration and the recently nationalized Imperial Chinese Telegraph Administration.
In 1908, it founded the Bank of Communications to redeem the Beijing–Hankou Railway from its Belgian concessionaires. The bank was also intended to unify funding for steamship lines, railways, and telegraph and postal facilities. After the establishment of the Central Bank of China in 1928, the Bank of Communications was used to fund general industrial development.
After the 1911 revolution gave its name to the Communications Clique during the Warlord Era.
After 1949, the Ministry's responsibilities were divided between several different ministries in the People's Republic of China: