ABSTRACT: Pharmacognostical studies and bio - active compounds of Aervalanata(Linn.) Juss. ex Schult. Medicinal plants have a long-standing history in many indigenous communities and continue to provide useful tools for treating various diseases. The practices of traditional medicine are based on hundreds of years of belief and observations, which predate the development and spread of modern medicine. Aervalanatais used in traditional medicine system to cure various diseases. Roots used in headache and also as demulcent. Decoction of the root is given as tonic to pregnant women and also used for the treatment of gonorrhea and kidney disorders, anti-bacterial, anti-fungal, wound healing, diuretic and antioxidant activities.