Western China International Fair (WCIF) is a state-level international exposition under the co-sponsorship of China's 16 ministries/commissions, 12 provinces (autonomous regions, municipality) and Xinjiang Production and Construction Corps in western China. The WCIF is held annually in Chengdu, Sichuan Province, China and 13 sessions have been held so far.

The WCIF was founded in 2000 for the implementation of the Western China Development Strategy put forward by the Chinese Central Government. The WCIF, which originates from, grows with and serves for the development of western China, has development into one of the largest, most influential and advanced economy and trade fairs in China.

Based in western China, the WCIF has national and global influence at large. Established by the Chinese government, it serves as an important platform for investment promotion, trade cooperation and diplomatic service in western China, between eastern and western China, and China and foreign countries; it is the largest and most important platform for the opening-up and development of western China.