Postgraduates should show the ability to identify problems and solve problems relative to other levels of graduates，thus reflecting the profound significance and role of postgraduate education. It is not only the goal of postgraduate education，but also the realistic urgency to strengthen the cultivation of postgraduates’ scientific research ability. As the epitome of the quality of postgraduates，the quality of postgraduate thesis directly reflects the quality of postgraduate education，especially in the current postgraduate education expand enrollment background. Emphasis on the quality of postgraduate thesis has become the key to ensure the quality of postgraduate training. Through the interpretation of relevant policies and the combination of practical problems，this paper puts forward the basic ideas of quality control from the source of students to the daily management to the graduation thesis reply，improving the monitoring process and enhancing the reward and punishment.