Background and Purpose: Mahmoud ibn Mas'ud ibn Mosleh, known as Qutb al-Din Shirazi, was an Iranian scientist, physician, physicist, mathematician, historian, and astronomer as well as one of the greatest Iranian scientists and a Sufi philosopher. In this research, after a review and discussion of the life of this scientist his excellent works were examined with an emphasis on his medical works.
Methods and Materials: The desktop and historical research methods were used for this research and thesis, and a historiographical approach commonly used in human sciences was used to criticize and study the works of Allameh Qutb al-Din Shirazi.
Conclusion: In this research, a deep investigation into the life and works of this well-known scholar was carried with a medical approach. Given Allameh’s knowledge of philosophy, medicine, astronomy, literature, history and Quran it could be concluded that he had a moderate worldview that varied between the rationalistic and fatalistic worldviews and was reflected in all of his scientific works. His worldview was also reflected in the works of the succeeding scientists and scholars as well as the philosophical, religious, astronomical, and medical schools.
Keywords: Allama Qutb al-Din Shirazi, Ilkhanate, Review of the scientific literature, Medical, Shiraz, Tabriz.