Essential oils have been important substances since early times. The review of its extraction methods and applications were treated in this study. These include hydrodistillation, hydrodiffusion, effleurage, steam distillation, cold pressing, solvent extraction, microwave assisted process and carbondioxide extraction. Its applications both the medicinal and therapeutics, such as aromatherapy, phytotherapy, antibacterial and antifungal uses, hypolipidemic, antitumor etc. were also reviewed.