Abstract: Science and technology associations with academic characteristics are an essential part of social organization. The third-party evaluation work organized by them is important to improving the comprehensive service system of social organizations. Based on analyzing the current state of policy and evaluation work, the necessity and urgency of the evaluation work organized by science and technology associations in the 13th Five-Year Plan period were pointed out. Then the advantages of the third-party evaluation by science and technology associations were analyzed, including the increasingly mature theory system, the perfecting management and supervision mechanism and the growing public trust. Finally, the authors put forward specific suggestions on strengthening the role of science and technology associations in the third-party evaluation.