The Unani System of Medicine has a long and impressive record in India. It was introduced in India by the Arabs and Persians sometime around the eleventh century. Today, India is one of the leading countries in so for as the practice of Unani medicine is concerned. It has the largest number of Unani educational, research and health care institutions. As the name indicates, Unani system originated in Greece. The foundation of Unani system was laid by Hippocrates. The system owes its present form to the Arabs who not only saved much of the Greek literature by rendering it into Arabic but also enriched the medicine of their day with their own contributions. In this process they made extensive use of the science of Physics, Chemistry, Botany, Anatomy, Physiology, Pathology, Therapeutics and Surgery.