Abstract: Using Three Gorges Reservoir 1∶20 000 scale black and white airphoto data made in 2002 as information resource, utilizing GPS to conduct aerial control survey and employing digital photogrammetry workstation to collect and edit DEM indoor work, the author introduces the procedure and method on making Three Gorges Reservoirs 1∶5 000 scale DEM used in elevation about 65-200 m.