The " internet + voluntary blood donation" service pattern of blood centers based on information technology, is changing disadvantages of traditional voluntary blood donation service pattern. Through the modern advanced blood center management information system and internet mode, the communication and network technology are integrated with information in internal management system database in Dalian Blood Center. A blood donation comprehensive service platform is established, which include internet platform, blood donation hotline integrated service platform and blood donation service remote video command system, to provide standardization, normalization and service for blood donors and normal people. The " Internet + voluntary blood donation" service model unifies the external service channels of blood centers to improve the satisfaction of blood donors. At the same time, it improves the level of blood center services and management, which is beneficial to expand and stabilize the team of voluntary blood donors, and ensure the safety of clinical blood supply.