Clinical pharmacy is a pharmacy division with the science and practice of rational medication use. The study aim at implementing clinical pharmacy services by clinical pharmacists in oncology department to get desired therapeutic outcomes. The objectives of study includes Prescription analysis, preventing the medication related problems, over dose, performing drug use evaluation, providing drug information, patient counseling, drug interactions identification and Adverse drug reaction, improving the patient safety initiatives and health related outcomes, reducing work burden of physicians, providing improved therapy to the large amount of patients suffering with most prevalent cancers in the oncology unit. This study concludes that critical need and implementation of clinical pharmacy services in hospitals to improve the patient care and safety. Clinical pharmacist along with oncology as a team has wider scope of providing various patient care services in oncology care to inform safe and effective use of anti-cancer medicines so as to provide good quality of life and better outcomes.