To improve the efficiency of the performance evaluation of university administrators, this paper applies AHP fuzzy comprehensive model to this research. This paper focuses on the model composition and mathematical principle of AHP fuzzy comprehensive evaluation method, and demonstrates it with examples. The performance appraisal of three kinds of teachers in one school was taken as an example for analysis, the full score of the evaluation is 100, with 25 points assigned to each first-level index, and the scores of each second-level index are mainly no more than the first-level index. The experiment uses the "AHP+ fuzzy comprehensive evaluation method" proposed in this paper for comprehensive evaluation. The results show that by using the improved fuzzy comprehensive evaluation method proposed in this paper, the final score of A is 3.8027, which is higher than that of B and C by 0.0497 and 0.0762 respectively. According to the experiment, it can be seen that the method proposed in this paper can comprehensively, objectively and truly evaluate the performance of university administrators in practical work.