Abstract-Project-based Learning (PBL) is an effective teaching and learning method, it can promote the performance of the learner to adapt the future work environment. The aim of this study is to provide a perspective on PBL that identify the current status, emerging trends, and certain important themes. By mining the database of Web of Science (WoS), the study had collected 522 references about PBL. By utilizing the application software of WoS and CiteSpace to analyze the data, the study had identified the current status and main emerging trends of PBL. The hottest trends and most popular topics over the past 20 years were discussed. The most popular topics of PBL includes: "the changing global economy", "project ecologies", "flexible environment", "collaborative teamwork", "enhanced graduate attribute", "teacher belief", "engineering design thinking", and "community involvement" etc. Finally, the findings from this study can provide a knowledge map to researchers and practitioners for future work.Index Terms-Project-based learning (PBL), web of science (WoS), CiteSpace.