The importance of forests is very great in the present era. They make the climate pleasant. They make the weather less severe. They check gales, floods, water logging and salinity. They bring about rain. They stop quick ice-melting. They increase the fertility of land. Forests play an important role in the economic development of the country. Using Changa manga as a model, we should grow many more forests in Pakistan.Forests is very great for our Health.