Social work is a professional service based on scientific knowledge and skills in human relations, which assists individuals alone or in groups to obtain social and personal satisfaction and independence. Researches in the field of mental health and illness have proved that generally abnormality appears when one fails to adjust oneself in the community. This concept has helped in the emerging of the role of social work in this field. Social worker as a member of the team in the hospital tries to find out interests and attitudes of the clients and finds out unconscious mind operating behind the present problem. He investigates the real problem of the patient and studies his outer and inner realities. His efforts are always towards the solution of his adjustment problems by analyzing his relationship in the family and community. Social worker in mental health setting prepares case records for the diagnosis, helps in treatment, strengthens ego, provides educational and counseling services and participate in the rehabilitation programme. This book describes fives psychiatric cases and Social work interventions.