Narrative is a style with narration as its main form and description of characters experience and the development and changes of things as its main content. Explanatory writing is an article that gives people knowledge by explaining things and explaining things as the main expression. It makes people understand the shape, structure, nature, types, causes, functions, relationships or concepts, characteristics, sources, evolution, similarities and differences of things through the explanation of physical things or the explanation of abstract arrangement, so as to obtain relevant knowledge. Argumentative writing, also known as argumentative writing and argumentative writing, is to reason and discuss right and wrong. The author clarifies his point of view through factual materials and logical reasoning, and shows what he is for or against. A complete paper must contain three elements: argument, argument and argument. Argument is the author's point of view or opinion on the issue under discussion. Some argumentative papers have only one argument, which is called the central argument; In addition to the central argument, some argumentative papers have several subordinate sub-arguments. Argument is the reason and basis used by the author to prove the argument. It can be an example, a theory or data. Argumentative writing is the reasoning process and method to prove an argument with arguments. The argument must be correct and clear; Arguments must be conclusive, typical, appropriate and convincing, and must have essential and inevitable connections with arguments.