1, concentration. When memorizing, only by concentrating, concentrating, eliminating distractions and external interference, the cerebral cortex will leave a deep memory trace, which is not easy to forget. If the mind is distracted, it will greatly reduce the efficiency of memory. 2. Strong interest. If the learning materials and knowledge objects are boring, it is hard to remember even if you spend more time. 3. Understand memory. Understanding is the basis of memory. Only what you understand can be firmly and permanently remembered. It is not easy to learn by rote. For important learning content, if you can understand and recite it, the memory effect will be better. 4. Overstudy. That is, on the basis of remembering the learning materials, remember it several times more. To the point of memorizing by heart. 5. Review in time. The speed of forgetting is fast first and then slow. For the knowledge just learned, it is an effective means to strengthen memory traces and prevent forgetting. 6. Always remembering. When learning, try to recall constantly, so that the mistakes in memory can be corrected, the omissions can be made up, and the important and difficult points in the learning content can be remembered more firmly. In my spare time, I often recall my past knowledge. You can also avoid forgetting. 7. Audio-visual combination. We can use the functions of language and visual and auditory organs at the same time to strengthen memory and improve memory efficiency. This is much better than a single silent reading. 8. Various means. Flexible use of classified memory and chart memory can shorten the memory process according to the situation. Or make an outline, take notes, make cards and other methods. Enhance memory. 9. The best time. Generally speaking, the best memory time is 9- 1 1 in the morning, 3-4 in the afternoon and 7- 10 in the evening. It will be much better to remember the difficulties and learning materials by using the above time. Use your brain scientifically. On the basis of ensuring nutrition, active rest and physical exercise, use your brain scientifically.