Allama Alauddin Bukhari, who lived in the last quarter of the 14th century and the second quarter of the 14th century, wrote important works in almost all fields of Islamic sciences. In particular, his scientific heritage related to the science of Aqaid has been recognized by the representatives of the field, and until today three works such as Muljimatu-l-mujassima, Fadihatu-l-mulhidin wa nosihatu-l-muwahhidin, and Risala fil-itiqad have been found. In particular, the scientists treatise Risala fil-itiqad is one of the important sources on the faith of the Ahl as-Sunna community. A manuscript copy of the work is kept in Shahid Ali Pasha Library in Turkey. In this article, the scientific analysis of the work Risala fil-itiqad, its description, its importance in the teaching of Maturidiyya, and its sources will be covered on the basis of this manuscript.