By the author’s own life experiences, this article told the whole story of the Fine Art Research Institute of the Dunhuang Academy, starting from the course of its founding to the late growing into an important branch of academic force for Dunhuag Study, and this article introduced to the exploring experiences of the six words working principle for the Dunhuang artists: Reproduction, Scientific Research and Practice, which were followed by the artists since they began working on the site of the Dunhuang Grottoes as copying murals and at the same time introducing the significant results attained in art research.. This article is also singing in praise to the artists of three generations who had consistently attached a high degree of Chinese national tradition of art and had spent life time living at the remote corner of Mogao Grottoes and dedicated their youth and intelligence to Dunhuang.