Some people argue that the ancient Xuwen County seat in Han Dynasty was Maichen, or Tuwang, or Erqiao et al in the south what is now Xuwen County.

• 评述认为汉徐闻县治在今徐闻县南部迈陈、或土旺、或二桥等地之说,既无正确的古文献根据,也缺乏考古学资料依据。