Cancer immunotherapy (now and again called immuno-oncology) is the counterfeit incitement of the invulnerable framework to treat cancer. It is a use of the key research of cancer immunology and a developing subspecialty of oncology. It abuses the way that cancer cells regularly have atoms on their surface that can be identified by the invulnerable framework, known as tumor antigens; they are frequently proteins or different macromolecules (e.g. sugars). Immunotherapies can be arranged as a dynamic, uninvolved or half breed (dynamic and aloof). Dynamic immunotherapy guides the invulnerable framework to assault tumor cells by focusing on tumor antigens. Inactive immunotherapies upgrade existing enemy of tumor reactions and incorporate the utilization of monoclonal antibodies, lymphocytes, and cytokines.