This book having title "Traditional System of Herbal Medicines" written with an intention to benefit the UG and PG students. The book aims towards providing the basic and fundamental information to the researchers and scientists worldwide on the vast herbal & natural medicinal treasure available to us derived from plants, herbs and fruits obtained from traditional agricultural practices. Herbal medicine is still the mainstay of about 75-80% of the world population, mainly in the developing countries, for primary health care because of better cultural acceptability, better compatibility with the human body and lesser side effects. However, the last few years have seen a major increase in their use in the developed world. The World Health Organization (WHO) has recently defined traditional medicine (including herbal drugs) as comprising therapeutic practices that have been in existence, often for hundreds of years, before the development and spread of modern medicine and are still in use today. The generally acknowledged importance of study of Herbal Medicines as a branch of useful knowledge, constantly increasing recognition of its extended practical as well scientific application.