Based on the investigation and analysis of the status quo of alumni services in university libraries at home and abroad,the paper investigates the alumni service practice cases from the perspective of service innovation.According to the SWOT analysis before the activity,the scheme design in the activity and the effect evaluation after the activity,the paper makes a comprehensive investigation and analysis on the case of“reading certificate”activity in the library of Central South University of Forestry and Technology,and puts forward some sug...