Medical social work is a sub discipline of social work. It provides a comprehensive service for human beings. It covers all the aspects of human life, like economic, social, health care, recreational and emotional settings. The development of social work profession was started from medical setting. With the increased understanding that illness can be caused or execrated by a variety of social or psychological factors. social work has gained a more central role in this field. Social workers play a secondary but pivotal role in combating the diseases. In collaboration with the doctors, nurses and other therapist medical social workers take part in the study diagnosis and treatment planning process for the patient. Considering their forefront role, physicians consider social work an allied medical discipline in some developed countries.