Abstract: At first this article introduces the current status of digitizing campus, and then brings forward the key steps of measurement for the areas of campus. Those steps are scan-digitizing, merging the separate-image, image registration and map digitizing. Secondly, under the use of SuperMap, in term of the areas of China Agricultural University and the number of students in the university, we compare the result with prescript of ministry of education. At last we analyze the advantage and disadvantage of the environment of campus and give some suggestions for it.