龚荫教授是西南民族大学民族研究院教授、四川省文史研究馆馆员、云南大学西南边疆少数民族研究中心(教育部人文社科研究基地)兼职研究员。他五十年如一日,潜心于中国民族史、土司制度和历代民族政策研究,取得了一系列丰硕成果,受到国家有关部门的高度重视,对“存史资政”起到了促进作用;他先后讲授了中国西南民族史、西南边政史、土司 Professor Gong Yin is a professor at the Institute of Ethnic Studies of Southwest University for Nationalities, a librarian at the Sichuan Provincial Museum of History and Literature, and a part-time researcher at the Southwestern Frontier Ethnic Minority Research Center of Yunnan University (Humanities and Social Sciences Research Base of the Ministry of Education). After fifty years of hard work, he devoted himself to the study of Chinese national history, chieftains and ethnic policies in various dynasties and made a series of fruitful results. He was greatly valued by the relevant state departments and played a catalytic role in the “depository history” He has successively taught the history of southwestern ethnic groups in China, the history of the southwestern frontier and his chieftain