The application time of the National Natural Science Foundation is February 2024 1. According to the inquiry of official website of the National Natural Science Foundation of China, after the original exploration plan of the National Natural Science Foundation of China in 2024 is 1, the original project applicants recommended by experts can apply for project establishment at any time. The applicant of the original guide project should apply for the project according to the time requirements of the project guide. The National Natural Science Foundation of China, the deputy ministerial-level organization in charge of the National Natural Science Foundation, was formally established on February 1986, and was changed from the institution directly under the State Council to the Ministry of Science and Technology, which manages the National Natural Science Foundation according to law and operates independently, and is responsible for organizing the implementation of funding plans, project initiation and evaluation, and project initiation and supervision. The acceptance and evaluation of science fund projects should be carried out in strict accordance with the relevant provisions of the Regulations on Science Fund.