the scientific research community between supervisors and postgraduates is a relation derived from the sharing of group knowledge and shared intelligence. Scientific research has become their common learning lifestyle and the way of thinking,and their exploration culture has also been constructed,which possess the significance of educating. the scientific research community strive to cultivate scientific spirit,learn the critical thinking,share the power of choice and the significance of participation,and open the free communication. The discourse strategies of constructing the community includes maintaining the confused discourse state,creating the curious discourse atmosphere,shelving discourse thinking of judgment,using the understanding mode of dialogue,and constructing the safe listening situation. The community promotes the co - development of teachers and students.