Abstract:Tin is an important material resource for bronze production, and the issue of its origin and circulation is one of the important issues in Bronze Age research in China and worldwide. By combing and summarizing the new method of tin isotope tracing, combined with the application practice of the research on tin source of Mediterranean Bronze Age bronzes, and the preliminary study on tin source of Panlongcheng Site and Liulihe Site in China based on the above basis, the new ideas for solving the archaeological problems of tin origin and source of Chinese bronzes were provided.