Based on SERVQUAL theory,this paper analyzes the path to improve the quality of graduate education from the perspective of students.Based on summarizing the previous studies,SERVQUAL theory is also applied to improve the quality of postgraduate education.Based on SERVQUAL scale and the status quo of foreign graduate education,a five-dimension questionnaire was designed and the reliability of the questionnaire results was analyzed.Based on the triangular fuzzy number,the students'subjective perception is numeralized in the form of fractional mean integral,the difference between the perceived value and the expected value is obtained,the data results of different dimensions are analyzed,the factors affecting the improvement of the quality of graduate education are analyzed,and the corresponding suggestions are given for the path of improving the quality of graduate education.