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Background and Purpose: Professional ethics has been increasingly interested in recent years. However, Iranian traditional medicine valuable references have been neglected. The present paper intended to study some ethical codes in “Al-Mu'alajat al-Buqratiya”, by Abul-Hasan al-Tabari, in the 10th century.
Methods and Materials:  This research is a review-analytical method and review ancient Iranian medical manuscripts in Islamic civilization and compare with modern medical ethics.
Results: The book consists of some therapeutic methods, clinical experiences, and valuable prescriptions.  A noteworthy point in the book is the scholar focus on the need to observe ethical issues on the part of physician and serving the patient, so that a chapter (chapter 35) is entirely devoted to this subject in which some presented ethical principles, values, and professional conducts are consistent with new medical ethics.
Conclusion: The informative and practical points outlined in this book not only influence practitioners’ performance, but also affect their knowledge of professional ethics background in Islam and Iran civilization.