Abstract
The compilation of serial maps of karst geology in China and Southeast Asia is a project under the “One Belt One Road” geological survey plan granted by China Geological Survey. This paper summarized the research trend of geoscientific mapping in China and Southeast Asia and introduced the significance,contents,technical routes,operating methods and progress of the project. Through bilateral and multilateral cooperation,this project builded an international cooperation platform for mapping and completes the preliminary compilation of related karst geological maps in China and Southeast Asia,thus filling up the blank of karst geological maps in this region.