Zhang Qingchang (1915.7-1998.1), born in Guizhou Province, was a famous linguist in China and a full professor in Beijing Language and Culture University. He had been studying in Beijing Normal University from 1930 to 1934. In 1937, he graduated from the Research Institute of Tsinghua University where he had been taught by some well-known scholars such as Yang Shuda. Since 1938, Zhang Qingchang had been teaching successively in Zhejiang University, National Southwest Associated University, Nankai University, Inner Mongolia University and Beijing Language and Culture University. He was the former vice president of Tianjin Language and Literature Society, a member of Chinese Language Society, an advisor in the Research Society for Chinese Phonology and in the Society for Chinese Language Modernization. During the early years of his life, he had made an outstanding success in studying the relationships among language, music and literature. After then, he had been involved in the researches on the history of Chinese phonology and lexicology for a long period of time. In his later years, he devoted himself to sociolinguistics and had made great achievements in this field. His works mainly include Papers on the History of Ancient Chinese Music, A Collection of Papers on Linguistics(1), A Collection of Papers on Linguistics(2), Hutong and Others, A History of Beijing Street Names and Annotations on Intrigues of the Warring States(coauthorship), etc.