National natural science foundation. There are several types of national natural science funds, ranging from 200,000 to tens of millions. Just saying that you preside over the National Natural Science Foundation can't explain the level, but you need to be specific about what kind of projects you preside over to reflect the level. For example, hosting a youth project can only show that this is a young and promising new teacher; Presided over the general project, it can be shown that this tutor level is qualified in 985 colleges and universities; Presided over the outstanding youth project, indicating that the mentor is the leader of young and middle-aged people; Hosting the outstanding youth project shows that the tutor has won top recognition in this field.