Abstract: Medical Social Work is an important part of modern health care system. It has a wide service scope,including disease precaution, clinical medical treatment, recovery service, community sanitation service, plan of sanitation and territorial hygiene, etc. In the process of medical social work resumption, the prior field, strategic emphasis and intervene tactics are very important. Under such circumstances as the relationship between doctors and patients becoming more intensified,medical accidents occuring more frequently and medical dissension increasing, the prior field of medical social work are the relationship and communication betreen oloctors and patients; the strategic emphasis and the best intervene tactics of medical social work is improving the relationship between cloctors and patients.