Introducing information-knowledge-wisdom transformation law and its four sub processes including information acquisition, recognition, decision and implementation, the paper summarizes the process of Evidence-based Medicine(EBM) information services, analyzes the scope of carrying out EBM information services by the hospital library under the guidance of new perspective, and discusses the specific forms of EBM information services by exampling the practice of EBM information services carried out by the library of the First Affiliated Hospital of Chongqing University of Medical Sciences.