In today’s information age, network public opinion has an increasing impact on the educational environment of colleges and universities, and has a profound impact on students’ career planning, initiative and employment perception. In view of this situation, this study discusses the evaluation and guidance of university network public opinion environment based on fuzzy evaluation method. Firstly, the theory of fuzzy evaluation method is elaborated in detail, and its advantages and challenges in decision making are discussed. Then, the fuzzy evaluation method is applied to the evaluation of the network public opinion environment in colleges and universities, and the relationship between students’ entrepreneurial education, entrepreneurial intention, entrepreneurial intention, entrepreneurial behavior and the establishment of new enterprises is deeply studied. Finally, by optimizing the application of fuzzy evaluation method, the accuracy and efficiency of evaluating the network public opinion environment in colleges and universities are improved. This study provides a scientific and systematic evaluation tool and guidance strategy for the network public opinion environment for researchers and practitioners in related fields, so as to promote the improvement of the educational environment and the development of students.