Basic Concepts And Sources Of Natural Philosophy In Ebheri's Hidayat Al-Hikma. Being as a representative of the traditions of ibn Sina, Esiruddin alAbhari lived in the 13 th century and wrote several works one of which is Hidayat al Hikma. In this study we tried to determine the philosophy of the nature and its sources in Hidayat al-Hikma. At the same time we aimed to prove how much follower he was while putting forward these sources to the traditions of The Me§§ai among these sources. We took in hand the atom, specter, locality, direction, form, motion and the rest, time, object, and elements. In order to restrict this article we took in hand only only the part of the tabiiyyat/natural sciences of the work which is mentioned in our study