Seminar is an efficient teaching method in cultivation of independent thinking and re-search ability of residents of obstetric and gynecology. On the basis of introducing the concept of seminar， this paper discusses the application and significance of seminar in standardized training of residents. Semi-nar teaching can develop the capabilities of each resident to probe into and study some new things by themselves. The wide applications of this method also help to improve the abilities of the residents to un-derstand the theoretical knowledge of gynecology and to elevate their comprehensive competence.