Notwithstanding the multi-dimensional ecological niche theory belongs to the ecology,its applying space in the field of social sciences is broad as well.Therefore,it is possible to analyze the colony of college-students village official and find out the deficiency of their real niche by using this theory.The comparative method will be used in the process of researching.The discrepancy between the real niche and fundamental niche of these officials is prominent,if we scrutinize it from the perspectives of salary,duties,training and migration.In order to melt away the discrepancy,the relevant departments should optimize the factors of niche and strive to achieve the reasonable expansion and migration of their real niche.