Abstract:Science and technology commissioner system originated in Fujian, is a major innovation in rural work mechanism, after 20 years of development, has become an important starting point for rural revitalization. How to establish a reasonable evaluation system for science and technology commissioners has important practical significance for the implementation, promotion and management of the science and technology commissioner system. Based on the big data of the work of science and technology commissioners, this study selects the service data of science and technology commissioners from 2019 to 2021 for comprehensive evaluation and classification evaluation. One is the assessment qualification line, and the other is the excellent science and technology commissioners. The latter is constructed from four dimensions: policy publicity, science and technology communication, innovation and entrepreneurship, and taking the lead in getting rich, and uses the entropy weight method to determine the weight of each index. The results show that the evaluation index system is reasonable, and also highlight the importance of classified evaluation. The science and technology correspondents should be classified and evaluated from different levels.