The central white argument exists in argumentative essays, and narrative essays generally only mention the central idea or theme idea. To find the central argument, we can consider it from the following five aspects: 1, the way the article puts forward the central argument: ①, the title of the article points out the central argument; ② Put forward the central argument at the beginning of the article; ③ At last, the article summarizes the central argument; (4) put forward the central argument with a connecting sentence in the middle of the article. ⑤. The article does not directly put forward the central argument, but always discusses it ... 2. To analyze the argumentation idea of the article, we must first understand the structure of the general argumentative paper: asking questions (introduction)-analyzing problems (this theory)-solving problems (conclusion). In fact, it is to add some words such as "first", "then", "next" and "last" on the basis of paragraph level. When doing this topic, we should pay special attention to the expression at the beginning and the end. The contents at the beginning include: (1), putting forward the central argument; (2), lead to the topic; In the above two aspects, it is necessary to specifically answer the specific tests that put forward the central argument or lead to the topic, some through famous sayings, some through celebrity anecdotes, and some through anecdotes and jokes. The final content: (1), deepen the central argument and put forward the conclusion of …; (2) Repeating or strengthening the central argument ...; (3) Appeal ... or exhort people ...; (4), supplementary argument ...... (Sometimes we will examine the role of this aspect, and its role is to make the argument more rigorous. To do this topic is to specifically state the introduction, theory and conclusion of the article. For example, in the article "Man's nobility lies in the soul", we can express it this way: first, quote the famous saying of French thinker Pascal that "man is a thinking reed" and put forward the central argument that "man's nobility lies in the soul", and then use the examples of Archimedes and Wilde to prove that "inner spiritual wealth is more precious than external material wealth". Finally, taking a girl studying on the train as an example, it warns people that "people should keep pure spiritual pursuit". Analysis of the characteristics of argumentative language: The analysis of the characteristics of argumentative language is relatively fixed, with only two perspectives: