Abstract: Through the teaching information big data, it is found that the grades of the students in different grades of a university find that the school's academic situation has the following basic rules. That is, the first year of university is a crucial period for university students who have just entered school. It is very important to cultivate learning habits atmosphere during this period. The second and third semesters are the most difficult and important periods for curriculum learning; and class atmosphere is very important for students' learning.