Argumentative writing generally consists of arguments, arguments and arguments. Argument is the proposition or viewpoint expressed by the author and the soul of argumentative writing; The argument must be correct and clear; Argument is the reason and fact used by the author to prove the argument, which should be conclusive and typical; Argumentation refers to the logical connection between arguments and arguments, and it is the process and method for arguments to prove arguments. The choice of argumentation methods and the development of ideas should also be subordinated to the needs of argumentation. Since the argument is so important, how to find it quickly and accurately from the article? Students may want to use the location to find the central argument of the article. First of all, we should be clear about what an argument is. Argument is that the author puts forward his own opinions and opinions on the issues to be discussed, and it is a positive view with a clear attitude, mostly verb-object phrases or subject-predicate phrases; Secondly, it is necessary to understand that an argument is a complete and clear judgment sentence, which generally has suggestive language, such as "I think", "We should", "From this", "In short", "In short", "In short" and "Summary" and so on. Then, it should be clear that arguments often appear in the title or the beginning or the end of an article: (1) There are three kinds of arguments in the title of an article: (1) The title is the argument of the article. For example, Ding Zhaozhong's argument in "The Spirit of Understanding Things" is that there should be a spirit of understanding things; "Fear of Nature" is about the relationship between man and nature, and the topic is the central argument of the article.