Several plants are used as a source of medicine and improved human life from thousands of years. Several herbs possess bioactive compounds such as phenols andpolyphenols which regulate various immune systems. Therapeutic efficacy of many indigenous plants for several disorders has been described by practitioners of traditional medicine. Antimicrobial and nutritional properties of the plants are being increasingly reported from different parts of the world. It has also reported by World Health Organization (WHO) that 95% of the earth’s population depend upon traditional medicine for their health care needs and most of this therapy involves the use of plant extracts and their active components. Plants used for traditional medicine contain a wide range of substances that can be used to treat chronic as well as infectious diseases. Since, human have been using many plants as medicine for ancient time but now a days these plants have lost their importance due to the availability of ready-made drugs manufactured by the use of phytochemicals extracted from these plants or synthetic chemicals related to the particular phytochemical.