Thymol (C10H14O) is a monoterpene which is considered a phenolic component and is present in many vegetable oils. Thymol is an aromatic essence which is known as disinfectant in traditional medicine. Thymol is found in plants and has properties such as antibacterial, antipyretic, antispasmodic, antifungal, antioxidant, and hepatorotective, anti worm, antispasmodic for rats tracheal smooth muscles, gastroprotective, antihyperglycemic, antihyperlipidemic, analgesic, acaricide, and antiepileptic. Thymol is a medicinal, plant-based component with pleasant taste and smell and is found in many medicinal plants including Thymus vulgaris, and Carum copticum. Because it is inexpensive and exerts pharmaceutically peerless effects, it could be used to heal many of the diseases and may be commercially available in different countries in the future.