An ethno medicinal plants survey was carried out in Elanji hill village, Sathyamangalam range of reserve forest, Erode district, Tamil Nadu, India. Plants are the significant source of therapeutic drugs. It plays important role in human’s survival. In India above 3000 plants for their medicinal value, is generally estimated that over 6000 plants in India are in use in traditional, folk and herbal medicine, representing about 75% of the medicinal needs of the Third World countries. The present study investigated that 104 plants belonging to 42 families. In these families leguminosae held the dominant position.