According to relevant information, it is influential. If the project is used later, it will not match the project later. If something goes wrong with the project, the project has no time to make a basis. National Natural Fund is the main channel to support basic research and applied basic research in China, and it is also the most important source of funds for the survival and development of scientific researchers. If there is a time error, the rigor of the feasibility study report will be questioned.