Since earlier times of human history, many plants have been known, identified, studied, and used for various medicinal purposes and can be regarded as the basis of modern medicine. Kingdom Plantae has an essential metabolism thatcan develop various types of compounds on a large scale, which can be utilized by various industries like pharmaceuticals toobtain and produce a new variety of innovativemedicines. Various compounds like vinca, taxol, camptothecin, and epipodophyllotoxin can be extracted from various species of plants as anti-cancer properties are present in them having the ability to treat the cancer cells. The mostpopular as well as essential anticancer drugs extracted from the plants are Taxol, camptothecin, vinca alkaloids,as well as podophyllotoxins along with their semisynthetic and synthetic derivatives. The continuous search for antitumor and anticancer agents from plant sources is essential to figure out various ways for safe and effective treatment for many healthrelated problems. In India as well as in other countries, herbal plants serve as essential contributors, especially in the pharmaceutical industries. Plants found at higher altitudes like the Himalayas have an assault for diverse testing, including mutagenic UV radiations, droughts, strong winds, and desiccation. Even the secondary metabolites extracted from certain plant parts, such as polyphenols, terpenes, and alkaloids,are well known to possess various antimutagenic and anticancer properties. According to ethnobotanical historical sources, various uses and wide applications of medicinal plants have led to more attention. Many natural products having various significant chemical structures are isolated as anticancer agents. Certain side effects occur due to chemotherapy whereas natural therapies like the utilization of plant-derived products in cancer treatment do not cause such adverse effects. Thus, the protection of medicinal plants by import and export monitoring trade is highly symbolic and the best way tothe conservation of medicinal plants is through plant cultivation

Keywords : Modern medicine, Medicinal plants, UV radiations, Droughts, Strong winds, etc.