Abstract
World Health Organization appreciated the importance of medicinal plants for public health care in developing nations. Different parts of Phyllanthus emblica, Achyranthes aspera and Allium sativum plants have important medicinal role in human health. This review is indicate that plants have the potential to generate herbal metabolites and the crude extracts demonstrating antimicrobial activity could result in the discovery of new chemical classes of antibiotics that could serve as selective agents for the maintenance of animal or human health and provide biochemical tools for the study of infectious diseases.