Learning advanced mathematics: first of all, we should use our brains, firmly remember formulas and use them flexibly, which is the foundation; Secondly, we should start work, do more exercises, read all types, and have solutions to every problem. The following are tips; Finally, we should be tempted, accumulate carefully, and write down the wrong questions, real questions, common questions and questions that we can't do in a notebook. Read more books and do it when you have time. Emphasize the most important point, we must persevere, and never fish for three days and dry the net for two days.