The article is exploring the qualitative research of the social work. The purpose is that the relationship of the social work practice and qualitative research in the Post-modernism. The first, the article discussed the groundwork for post-modernism (the developing of the ethnographical fields et al ). The second, it discussed the characteristics of the social work qualitative research, and realized the impacts between post-modernism and soial work qualitative research (the self-reflection of the profession in human care et al). The final, the author constructed six item's reflections on the both to be the conclusions. The author hope that the social work qualitative researchers could take the attitude of the self-reflection and accept many different suggestions.