The method is not unique, only arch reference. What is a major and what is an amateur? You don't have to draw a clear line. What you have to do is how to learn ~ read, use your head, write, be smart and healthy. Enlarge your macro-control and narrow your micro-control. First, by reading books related to problems, problems can arise from reading, life or other aspects. In other words, we should be aware of this problem. Secondly, we should extract information, organize our thoughts, read books and papers related to the problem, and then extract information and make a choice. Sort out the logic, sum up and conclude the third, start writing, revise the problems found in the writing process repeatedly, and then continue to solve them. Revise it after writing.