A part of Islamic architecture studies are architectural arrays, which are actually an integral part of the architectural work. Among the most important architectural arrays of the Islamic period in Iran are mural paintings, which can be valuable in many ways. mural paintings can connect the audience with architectural works both aesthetically and conceptually. In order to preserve the valuable works of architecture, the first step is a complete and comprehensive knowledge of these works. If a historical painting has an ambiguous identity, it must first be known for correct restoration and display so that correct interventions can be made on it and correct decisions can be made for correct display. In the present study, a painting on canvas was found from the storage of Hasht Behesht Palace in Isfahan. At first, it was thought that it was a tripod painting, but after careful examination and comparative studies, it was concluded that this work was actually a mural painting that was separated from the substrate in the previous decades using the strappo method and placed on it. It is glued on the canvas. In this article, with the description of scientific investigations on the effect and comparison of paintings on canvas and murals and conducting various scientific experiments such as chemistry, EDS and FTIR on pigments and metal sheet and metal Leaf adhesive, to a relative knowledge We achieved about painting. Further, relying on the laws of cultural heritage and the principles and theoretical foundations of restoration, a decision was made for the restoration
intervention and the correct display of the work, and the executive operation was carried out on it.