云南地处中国西南边疆,民族众多,各民族文化保存完整,具有极高的社会学、人类学、历史学研究价值,再加上当时边疆危机的国防需要,全国各地大批学者来到云南,在云南少数民族地区展开了大量的社会调查和学术研究。与此同时,云南因与英法殖民地缅甸、越南接壤,越来越受到西方殖民者的关注,抱着各种目的进入云南的传教士、 Yunnan is located in the southwestern frontier of China with numerous ethnic groups and complete preservation of various ethnic cultures. It possesses extremely high values ​​in sociology, anthropology and history. Coupled with the national defense needs of the border crisis at the time, a large number of scholars from all over the country came to Yunnan Yunnan ethnic minority areas launched a large number of social surveys and academic research. At the same time, as Yunnan and its colonies, Burma and Vietnam are bordering on each other, they are increasingly receiving the attention of the Western colonialists and are entering Yunnan for various purposes.