1, according to the relevant information query: according to the regulations on application of various projects, applicants (excluding participants) can only apply for 1 projects of the same type in the same year.

2. It is stipulated that the total number of projects applied for and undertaken is limited to three: personnel with senior professional and technical positions (titles), and the total number of projects applied for (including applicants and main participants) and undertaken (including persons in charge and main participants) is limited to three: general projects, key projects, major projects, major research projects (excluding integrated projects and research projects guided by expert groups), joint fund projects (referring to joint fund projects with the same name) and joint fund projects. International (regional) cooperative research projects, special fund projects for basic research of scientific instruments, special research projects of excellent state key laboratories, and fund projects funded by the director of the Committee and the director of the Ministry of Science 1 year or above.

3. As the person in charge, it is limited to 1 funded projects, youth science fund projects, and national outstanding youth science fund projects.

4. There is no limited application requirement for senior professional and technical positions (titles), and the total number of projects applied by the applicant and undertaken by the person in charge is limited to 1. On the premise of ensuring enough time and energy to participate in the project research work, the number of projects applied or undertaken as the main participants is not limited.

5. Project types that are not limited by the total number of projects applied for and undertaken: innovative research group projects, national basic science talent training fund projects, overseas and Hong Kong and Macao scholars cooperative research fund projects, mathematical Tianyuan fund projects, international (regional) exchange projects, international academic conference projects, popular science projects, special fund projects for key academic journals, special projects for scientific and technological activities for young people, entrusted tasks and soft-topic research projects, and other types of projects with funding periods of 1 year and below.