LI Dandan.2023. The Geological Survey Institute of Guangdong and Guangxi is an important geological and mineral resources research institution from 1927 to 1948 for the Nanjing national government of China. After its establishment in 1927, the Institute was mainly responsible for the geological and mineral survey in South China, the compilation of survey reports and the drawing of geological and mineral maps, etc. , which had a far-reaching influence on the regional geodetic geoscience research in modern China. This paper is based on the original documents of the Institute of Geological Survey of Guangdong and Guangxi.[J]. Geological Review,69(5):2017-2022.