Since the beginning of human civilization, medicinal plants have been used by mankind due to its therapeutic value, least toxicity and cost effective. Nature has been a source of medicinal agents for thousands of years and an impressive number of modern drugs have been isolated from natural sources. Many of these isolations were based on the uses of the agents in traditional medicine. The plant-based, traditional medicine systems continues to play an essential role in health care, with about 80% of the world's inhabitants relying mainly on traditional medicines for their primary health care.India has several traditional medical systems, such as Ayurveda and Unani, which has survived through more than 3000 years, mainly using plant-based drugs. The materia medica of these systems contains a rich heritage of indigenous herbal practices that have helped to sustain the health of most rural people of India. Therefore present work evaluation of Blumea eriantha for Anti diabetic activity may useful for development of a formulation from herbal sources which having least toxicity but much more efficacy and gift for poor population for management of Diabetes melitus.-umesh pratap singh.