Cancer is the second leading cause of death globally and is responsible for about 10 million deaths per year. The most common cases were breast, lung, colon, rectum, prostate, skin, and stomach up to 2.26 million cases. This book provides valuable insight for the use of scientifically validated herbal drugs for the treatment of anticancer agents. The evidence-based claim of herbal medicines plays an important role in cancer therapy. These drugs have proven potential in effective treatment of many types of cancer and possess properties that can contribute in reducing the side effects of conventional chemotherapy. The world is looking for an alternate, economical, and effective way of disease management and medicinal plants have come up with considerable solution in an affordable rate. The scientific community has hope in herbal solutions since they have very less side effects, which is much desirable especially in the treatment of cancer. The book is for both the medical community, complementary and alternative medicine, and the herbal medicine research community. It provides detailed information on the various types of cancer, etiology, effects, and challenges associated with current cancer treatment regimes. The book reflects recent developments; success rates also describe the use of several herbal formulations to boost patient’s immunity to prevent or help them cope with several cancers.