Unani system of medicine is well known and famous way of treatment in Indian sub continent. India is the hub and savior of this ancient and rational system of medicine; included as giant part of Indian System of Medicine combined comes under AYUSH. Hundreds of herbal drugs in various forms for range of disease are in use as single as well as in compound form in this system. Khar-e-Khasak (Tribulus terrestris linn.) is a multi action single herbs being prescribed in various forms and combination since ages. Khar-e-Khasak is a drug mentioned in the Unani & Ayurvedic system of medicine for various ailments but mainly as a diuretic, Lithotriptic and Litholytic. In this research article authors try to mention the complete description of the said drug; modern as well as traditional both. Their physical as well as chemical characteristics are also being mentioned so as it may be referred as complete information for future research and readers.