Synopsis In the modern medicine also plants occupy a very significant place as a raw material for some important drugs although synthetic drugs and antibiotics brought about a revolution in controlling different diseases. But these synthetic drugs are out of reach of millions of people. Those who live in remote places depends on taditional healers, whom they know and trust. Judicius use of medicinal herbs can even cure deadly diseases that have long defined synthetic drugs the relationship between man and tree has existed since time immemorial. The usefulness of trees and their protection was emphasized in ancient literature like Puranas and the “Bhagawat Gita”. More than100 medicinal plants are used in modern medicine. Plants used in traditional system of medicine of Pharmaceutical houses in collected from wild sources. Man of the medicinal plants are cultivated commercially now a days for extraction of some important active constituents for use in modern medicine.