Beijing Foreign Studies University (BFSU) (Chinese: 北京外国语大学; pinyin: Běijīng Wàiguóyǔ Dàxué), popularly known as Běiwài (Chinese: 北外) in Mandarin and BFSU in English, is a university located in Beijing, China.It is China's pre-eminent research university specializing in foreign studies according to recent collegiate rankings.