1, GPA is a way to evaluate academic performance. The general calculation method of most universities in China is: grade point = score/10-5, grade point = credits * grade point = credits * (score/10-5) (more than 90 points are calculated as 90 points).

2. Credit score refers to credit score, which is slightly different from GPA. Credit grade point is the weighted average of students' final grades in each course according to credits. The average grade point is five points out of ten, and the (total) percentage is × credits/total credits. Credit grade point is the weighted average of students' final grades in each course according to credits.

3. Credit grade point is not the meaning of credit. Credit grade point = credit * credit grade point = credit * (score/10-5) (if the score is above 90, it will be calculated as 90).

The grade point system is one of the important supporting measures to implement the credit system. Since 1985 began to advocate the implementation of the credit system in China, there have been many discussions and studies on the credit system, which has affected the smooth implementation of the credit system.

This paper analyzes and studies many problems existing in the process of adopting the grade point system in domestic universities, and puts forward corresponding countermeasures on the basis of comparing with the grade point system implemented in American universities.