The article analyzes the book "Canon de médecine" (The Canon of Medicine), which is the second book in a series of three written by Avicenne, a medieval Persian polymath, physician, writer, and philosopher. Focus is given to how he deals with simple medication and remedy properties based on the theory of matter. The author mentions the influence of Greek physician, surgeon, philosopher and writer Galien on Persian physicians and notes several important aspects of Greek pharmacology. She highlights several examples, including how Avicenne conceives particular properties and how he explains the properties of the antidote theriac and how Persian physicians deal with compound medications.