Ethical philosophy in Muhamm ad ibn Zakariya ar-Razi

Our study, namely "Ethical Philosophy in Muhammad Ibn Zakariya Ar- Râzf ', has consisted of two chapters, apart from the "Introduction" and the "Conclusion". In the Introduction, we dealt with the life of Rhazes, his works, his outlined philosophical ideas and the historical progress in the ethical philosophy up to Muhammad Ibn Zakariya Ar-Rhazes. In the First Chapter, we studied the source of Rhazes' ethical philosophy and its general characteristics, as well as very concepts used by him in the ethical philosophy and in general perspective, his main understanding in the moral - medicine relationship. Here we mentioned the diverse ideas emerged in given concepts instead of just analysing them. In the Second Chapter, at first, we deal with his ideas about meaning of happiness and its fields, the main barriers of happiness. After them having studied philosophic life, its conditions and his thought about social ethics, we completed our study. We tried to study all these according to his works on this subjects and other sources given at the issue. In the Conclusion, we insisted on the main results we dealt with and main points we reached.