Abstract: This paper first introduces the main reform measures of National Natural Science Foundation of China (NSFC) in the aspects of funding orientation, evaluation mechanism and subject layout in 2022. Secondly, the application, acceptance and funding status of general program, young scientist fund, fund for less developed regions, key program and excellent young scientist fund of "optics and optoelectronics" under the reform measures are analyzed statistically. Then, it analyzes and discusses the work of this subject around implementation of classified review, construction of "responsibility, credibility, contribution" (RCC) review mechanism, and improvement of intelligent assistant acceptance. Finally, combined with the above three measures to improve the evaluation mechanism in the practice of the subject, the applicants and experts are put forward suggestions.