75 points. According to the query of official website of Yunnan University, it can be seen that the master's thesis is excellent if it scores above 90, and good if it scores between 75 and 90. The lowest score for blind evaluation of master's thesis of Yunnan University is 75. Yunnan University, referred to as Dayun for short, is located in Kunming, Yunnan Province. It is a national key university jointly established by the Ministry of Education and Yunnan Province.