The National Ministry of Personnel has clearly formulated post setting management system in public institutions. Colleges and universities are important part of the public service institutions. Taking colleges and universities for example, analyzing management of post setting in public institutions and further clarifying ability-position match is the certain route to constructing modern university personnel management system, an effective measure to eliminate the inherent barriers in college and university personnel management, an efficient mechanism to meet the high level needs of administrative staff, the preferred strategy to keep the dynamic balance of administrative human resources in colleges and universities, and the fundamental safeguard for optimizing the overall efficiency of university administrative staff.