Problem-based learning(PBL) is an educational method popularized and applied in recent years. Analyzing the status and development trends of PBL from 1900 to 2018 is helpful for further promotion and application.In this study

we conducted a bibliometric analysis of BPL associated literatures published from 1900 to 2018. Year of publication

literaturetypes

country or region distribution

published organization distribution

periodical distribution

citation andco-author relationship were analyzed.The study helped us learn more about the application and practice of PBL. The results showed that PBL related studies were increasing from 1900 to 2018.What we have learned suggested that the application of PBL has been promoted. Most papers were published as article.The United States is led the tendency.China is located at sixth.