1. Be familiar with the basic concepts, laws and methods. If the foundation is not solid, it is useless to learn more knowledge and do more questions.

2. When you finish the topic, you must sum it up carefully. What is the knowledge point of thinking about this exam? It will be easy to solve similar problems in the future.

3. Infer from one example to another. We should master as many problem-solving methods as possible, so that we can spread our thinking and cultivate the habit of analysis. So as to find the best solution and the best answer.

4. Analyze the contents of each chapter and make them interrelated. We should integrate what we have learned and the knowledge before and after. This can help us to understand the knowledge system and content systematically and deeply.

5. Compare similar concepts and laws with formulas, find out their similarities and differences and connections, and deepen understanding and memory. Make knowledge organized and systematic.