Herbal medicinal plants are boon for human being as treatment of existing and new diseases are being developed either direct or indirect usage of plants. But availability of such plants and their properties also play an important role. Catharanthus roseus is a very important medicinal herb in this direction as availability and its property both are fortunate thing for humankind. This plant is used in treatment of several diseases like diabetes, cancer, high blood pressure, asthma, inflammation, dysentery, brain imbalance, angiogenesis, malaria and other diseases that occur due to potent micro organisms. Though it's a native of Madagascar but it is found most parts of the world. It is also appreciated for its long flowering period throughout the year. Its roots, plant stems and flowers having active constituents to inhibit the growth of disease and other micro organism. Extracts from the dried or wet flowers and leaves of plants are applied as a paste on wounds in some rural communities. The substances vinblastine and vincristine extracted from the plant are used in the treatment of leukemia and Hodgkin's lymphoma. The fresh juice from the flowers of C. roseus is used to treat various skin problems e.g. dermatitis, eczema and acne. Therefore, the main active constituents present in this plant are alkaloids, flavonoids, steroids and phenolic acid. As C. roseus has mammoth potential to heal many syndrome due to its phytopharmaceuticals assets and it's intact fractions i.e. root, leaf, stem and flower are drug complaint. Still further research is required to find main utility in healing of diseases arises due to deadly viruses.