1. Be familiar with mathematical knowledge points and formulas, and focus on reviewing the key contents of high school mathematics and postgraduate mathematics.

2. Practice doing problems. You can choose some real and simulated questions over the years to practice, and pay attention to the methods and skills of doing the questions.

3. Watch more video tutorials. You can choose some well-known training institutions or teachers' video tutorials to learn.

4. To participate in training courses or tutoring courses, you can choose some professional training institutions or online tutoring courses to study.

5. Pay attention to the time allocation, reasonably arrange the daily study time and tasks, and avoid cramming before the exam.