Some people often complain that their memory is not good, can not remember the textbook knowledge, easy to forget, what is the reason can not find out. So he thinks he is too stupid. Is that true? Not so much. Memory has a rule, and there is a certain trick. As long as you master the rules and find the tricks, you can easily navigate the sails in the ocean of knowledge and smoothly reach the other shore. I often wonder, why do people send their children to me to learn memory? What is the charm of my method? I thought about it carefully, and I think it has two important aspects: one is to solve the problem that students can't remember in class, and the other is to solve the problem that students can't remember in the exam. It just so happens that these two problems are common headaches for students. Therefore, it caters to the majority of young students eager to learn knowledge, has a strong pertinence and practicability. Can solve the problem of "can not remember the class" and "can not afford to think about the exam", these two problems are solved, and other problems in learning will be solved. Below, I will analyze these two problems one by one. I hope that through this book, I can send you a ray of mental development and memory innovation, so that the majority of young students can help me when they climb the peak of science and win the crown of science. Memory is both remember and recall to read the previous text, I believe we have a certain understanding of memory. "Memory", from the surface is a word, in fact, it contains two layers of meaning: one is "remember", the other is "memory". "Memory" is to store knowledge in, "memory" is to extract knowledge. Only when knowledge is stored quickly and systematically, and can be quickly and accurately extracted, can we talk about a complete memory. If we store knowledge in our brains, but can't extract it for our own use, is that still your knowledge? It's like putting money in the bank and not being able to withdraw it. Is it still yours? We are generally older people may have this experience, when the school "stored" some knowledge, now can really extract not much, most of them can not be found. Why do you feel this way? This is the original did not solve the problem of "memory" and "memory". We usually remember things, is not thirty-seven twenty-one, all the way to the head, installed in a mess, until the time to use, how to find can not find. This is like we usually put things in the warehouse, if not in order and location, then when it is needed, it is difficult to find. The same reason, we go to the bank to save money, the savings clerk has to open an account for us, fill in a form, and then put the form in a folder, the next time we withdraw money, as long as the name of the account, the savings clerk can immediately find the information you need, immediately help you take out the money. Therefore, when we remember things, we should also classify them, remember them in a certain order and position, and be able to extract them immediately when we want to use them in the future. Above we introduced the relationship between "memory" and "memory" and the problems to pay attention to. Now let's talk about how to remember.