1, purpose and content of writing:

The main purpose of the paper is to carry out academic research, solve specific problems or prove a certain point of view, usually aiming at academic or practical problems in a specific field. The content of the paper must be based on real problems, and it is scientific and rigorous to solve problems or prove a certain point through rigorous argumentation. The writing purpose of the composition is more diverse, which can express personal feelings, reflect social phenomena and explain principles. The content can be real or fictional, and the writing objects include people, things and things.

2, writing form and structure:

The form and structure of a paper are usually fixed, including title, abstract, introduction, text, conclusion and so on. Need to put forward a clear point of view and give proof, and the writing requirements are strict. The form of the composition is flexible, and there is no fixed structural requirement. It can be changed according to different themes and styles, and the writing requirements are relatively loose.

3, writing object:

The writing object of the thesis is relatively professional, usually studying and discussing academic or practical problems in specific fields. The composition has a wide range of writing objects, which can express personal feelings, reflect social phenomena and explain principles.

Composition form:

1. Narrative: Narrative is the main form of expression, which conveys the author's feelings and thoughts through the description of people, events and plots. Narrative usually has time, place, character, cause, process, result and other elements, and is the most common style in literary works. Narration can be a simple narrative or a complex emotional description and expression.

2. Explanatory text: taking explanation as the main expression, introducing or explaining something or a concept through explanation, elaboration, examples, etc. The purpose of expository writing is to let readers know and master the knowledge in a certain field, so the language should be concise and accurate, while avoiding being too complicated or difficult to understand.

3. Practical writing: it is an applied style, aiming at meeting some practical needs such as work, study and life. Practical writing usually has the characteristics of standard format, concise language and specific content, such as contracts, plans and reports. Practical writing should pay attention to practicality and operability, so that readers can get guidance and help in real life.

4. Argumentative paper: Taking argumentation as the main expression, the author's views and positions are expounded by putting forward arguments, providing arguments and argumentation. The purpose of argumentative writing is to convince readers to accept their own views or support some views, so the arguments should be clear, sufficient and rigorous.