[Purpose/significance] The rise of digitization has brought enormous impact and challenges on the entire library profession. Managing paper library holdings scientifically plays a crucial role in adjusting library holding structure, exploring distinctive resources, constructing e-book and saving library budgets. Experiencing reform in paper library holdings, Chinese library management will benefit from referring to the experience and practice of foreign library management.[Method/process] By comprehending the information from OCLC official website and specific service cases of SCS, this paper analytically introduces the project of sustainable collection service of OCLC paper library holdings, in terms of basic information, service elements, work procedures, etc.[Result/conclusion] In virtue of GreenGlass software, SCS manages paper library holdings driven with the data by mathematical modelling and data visualization analyzing, which provides library users with better solutions, and reveals the current situation and anticipated future trends of paper library holdings. The paper library holding management of Chinese libraries can benefit from referring to their experience in data collection and analysis, in many aspects including work procedures, management standards and software development, etc.