The biomarkers used in treatment of cancer is called as cancer biomarkers. Now a days biomarkers plays a crucial role in cancer prognosis, diagnosis and treatment of cancers. Role of biomarkers in cancer research and medicine are Risk assessment, Diagnosis, Prognosis and treatment predictions, Pharmacodynamics and Pharmacokinetics, Monitoring treatment response and Recurrence. There are different types of cancer biomarkers like Prognostic, Pharmacodynamic, Predictive. The major types of cancers in which biomarkers are widely being used in lung cancer, breast cancer, blood cancer, prostate cancer and colorectal cancer. Cancer biomarkers conferences provide a good platform to enhance discussion on various new researches.