In this paper, the three versions of early days (1921∼1960) Taiwan 1/25,000 topographic maps are discussed, the first Japanese Ministry of Land Surveying (JMLS) version is the first version based on field survey; Second Army Map Service (AMS) version is to prepare the three-dimensional aerial survey; third China Map Service (CMS) version is used on JMLS version and AMS version plus photos and revision surveying copy map, map making survey given to research. In summary, aims at the Japanese system, America system two sets of series map production background, covering the area, each version number of painting and mapping technology to analysis and summarize.