Throughout the human evolution, there has been a noticeable concern for health care and the cure of diseases. Medicinal herbs were the main resource base of almost all the traditional health care systems. The resurrection of phytomedicines is due to increasing evidence of the human health hazards associated with many of the synthetic medicines. Since time immemorial, mankind has used plant extracts from different plants to cure many diseases and thus relieve him from physical agony.In our country, traditional system of medicine plays an important role in health care of rural people for all types of ailments. The healing power of traditional herbal medicines have been realized and documented since Rigveda and Atharvaveda. Hence, in the present book an introductory approach in understanding the phytochemical techniques have been done.