Mainly the overall calculation. For example, promotion requires credits, graduation requires credits, compulsory courses require credits, and elective courses require credits. Single subject credits are used to calculate the total credits. If you pass a single course, you will get credit, but if you fail, you will not get it. General credits are enough as long as they pass the courses arranged by the school.

Credit (Xuéfn) is a unit of measurement, which is used to calculate students' learning volume. Calculated by semester, the specific academic achievements of each course and practice link shall be subject to the provisions of the professional teaching plan. Some schools also have a system of charging by credit.

Credits can be used to judge the breadth of knowledge learned by students during their college years. The more credits students get, the more things they learn. In some universities, credits have also become an important criterion for evaluating students' Excellence.