The dres of the scholars in Tang Dynasty is unique. It includes Futou (or Ximao), round collar of Lanshan, heh and Lv. This article studies the specific shape and structure of the dress and analyzes its culture character. Through this article we know that the scholars' dress reflects the feature of the traditional Han dress. Moreover, it is the mixture between the traditional dress and the Hu dress in western regions since the big national mergence during the South and North Dynasty.