The medicinal plants are very important and can be used to treat many human diseases or even disorders. The medicinal plants have many phytochemicals present in them which can help in this. The phytochemicals include carbohydrates, alkaloids, proteins, starch, saponins, flavonoids, glycosides, steroids, terpenoids, pholobatannins, phenolic compounds and tannins. The work here describes the study of metabolites i. e., presence of phytochemicals in the plants viz., Bougainvillea glabra, Bryophyllum pinnatum, Anacyclus pyrethrum and Plectranthus scutellarioides L. The presence of phytochemicals in these plants indicates they can be used to cure human diseases or disorders. This will be very eco-friendly and economical.