Digital mountain map of China is designed and compiled with the methods of digital geomorphology and remote sensing data,which is used as a reference map in mountain analysis and research.In this map,the boundaries of mountain regions in China are defined,classified and compiled systematically.By statistical analysis,the area of mountain regions in China is estimated to be about 6.2239*10~6 km~2,accounting for 64.89%of the terrestrial land in China(those islands smaller than 100km~2 are not included). It is the first time to propose scientific concept and design of The Digital Mountain Map,which has filled the empty of thematic maps for mountain research.In this map,spatial distribution and combinatorial characteristics of different land forms(mountains,plateaus,hills,and plains)are illustrated clearly,and most of the principal mountain ranges are drawn to describe their directions,levels,and types.based on the quantitative analysis and qualitative induction,this map which reveals essential attributes of mountain regions in China could provide a reference for mountain research in large scale.