Current Situation and Progress of Evidence Synthesis Methodology

Evidence synthesis is the synthesis of existing research using a systematic and appropriate method. Various types of evidence synthesis are currently in use. Correctly choosing and applying the best evidence synthesis method is crucial for researchers, policymakers, and stakeholders. Thus, based on summarizing the current situation, progress, and classification of evidence synthesis methods, we introduced the definition and characteristics of common evidence synthesis methods and problems in their application, and presented thoughts and suggestions for the problems in the application of evidence synthesis methods.