This paper is concerned with analyzing moral realism from Kawjah Nasir's viewpoint. His definition of morality and his viewpoints about moral issues and system could be considered as virtue-oriented that has been formed based on philosophical psychology. The wholesome analysis of Khawjah Nasir's philosophical psychology and the way of formation of moral virtues as well as the wholesome explanation of his moral system will specify the realistic elements of his system of ethics. Accordingly, we will approve his virtue-oriented viewpoint.