The most important part of a religion monument in Iran is adytum (Mihrab). One of the honorable and rare architectural works in 8th century (A.H) (Hejra on luner year) is the stucco relief (plaster Modeling of the Adytum (Mihrab) of Pirbakran’s Monument which has been worthy from the view point of researchers. The inscription of this adytum, has formed the main part of it, just like as another adytum, which has various geometric and herbal ornaments.In the present article has been tried to search and find relationship between visual elements in composition of the Inscription of Adytum in order to recognition of some part of Islamic-Iranian art. Therefore, at first has been tried to document the whole present images in the inscription of a dytum and then redraw carefully by the computer. Introducing different parts of the Adytum, classifying the images and varieties of ornaments and inscriptions used in the Adytum’s design have been separately accomplished. By detecting the ornaments into two groups of geometric and plants, the varieties of basic images in Inscription parts of Adytum have been attained, and wherever the plants features had more variations, it have been divided into «Eslimy» and «Khataei».Also different kinds of writing styles and Adytum inscriptions after designing and introducing, were detected into Sols» and «Kufi» which Kufi writing were further divided into plain ornamental Kufi and building Kufi. The method of research in this essay wadescriptive and ananlitic and contains all ornaments of inscription of adytum. Finally, after designing and introducing individual basic features of Inscription of Adytum, their varieties were achieved and the varieties of samples were described by the graphs. This style will facilitate the visual distinction of Inscription of Adytum ornaments of Pirbakran`s Monument and shows the graphical capabilities to the Adytum basic features well.