The growth and excellence of human personality is one of the key topics in humanities and Islamic sciences, which is very important in Islamic societies. This research deals with the historical investigation of the identification of factors affecting the growth and excellence of human personality in the Islamic society with a case study of the life of Salman Farsi, one of the most prominent companions of the Prophet of Islam (PBUH). Salman Farsi as a symbol of truth-seeking, self-purity, trustworthiness, faith and ethics in the Islamic society and throughout the proud history of Islam has been considered and modeled. This research investigates the personality dimensions of Salman Farsi with the method of collecting library information and with the qualitative method of analytical biography and tries to identify the important and key points of his life in different periods of time as a model for the growth and excellence of human personality based on the life of Mr. Salman Farsi to present. In this research, Mr. Salman's life has been examined in the dimensions of psychology, faith, science, politics and morality, and the factors affecting the formation and excellence of his personality have been introduced as a successful example. Also, at the end, it became clear that seeking the truth, purity of self, Islamic refinement, meeting the needs of others and philanthropy, paying attention to the deprived and feeding the needy, asceticism and simple living, paying attention to scholars and jurisprudence, and most importantly, guardianship and obedience to the innocent people and patience in this path leads to the growth and excellence of human personality to the highest level.