This article is trying to making an overall introduction to the paintings of famous image with the Buddha of Khotanese ornamental dress in Dunhuang Grottoes and attempts to making a comprehensive study of them. The study had revealed that the type of famous image appeared in Haiyansi (The Sea-eye Temple) had existed in two forms of presentation, the one type with Khotanese ornamental dressed Buddha are tabled as the Buddha of holy appearances in Haiyansi, thus made them deferent with other famous image in Haiyansi. For the first time, this article made a careful and systematic study on the type of famous image of Gucheng and draws out a conclusion that they are the formative design to representation of Mānusi with the important attributes: those of the famous image with the halo are full of small images of thousand Buddhas or a bud scale on the Dunhuang Murals. The study shows that a live Khotan king’s dress must exercise strong influence upon icon of famous image in the presentation of Khotanese ornamental Buddha in Dunhuang Grottoes. The portrait of Vis’ a’ Sambhava in Cave 98 at Maogao Grottoes had showed a mixture formation of Chinese empire attire with a traditional Khotanese royal attributes. The paintings of famous image with the Buddha of Khotanese ornamental dress, in one way or another, reflected the idea of unification of king of Khotan with Buddha which had popular in ancient Khotan Kingdom.