藩镇问题历来是唐史研究中的一个重要问题。过去,人们往往把注意力集中在藩镇的共同点上,而很少注意藩镇之间的不同点。其实;藩镇之间是存在着相当大的差异的。 The issue of vassal town has always been an important issue in the study of the history of the Tang Dynasty. In the past, people often focused their attention on the common ground of feudal clans, paying little attention to differences between feudal clans. In fact, there is a considerable difference between the military governors.