1. Clarify your position: When writing an argumentative essay, you need to clarify your position and viewpoint, and support your viewpoint through specific arguments and facts.

2. Problem analysis: Argumentative writing is an article that analyzes, evaluates and solves a problem, so it is necessary to analyze and think deeply about the problem and understand its background, cause and effect.

3. Sufficient arguments: When writing an argumentative essay, you need to provide sufficient arguments to support your point of view. These arguments can be facts, data, cases, expert opinions, etc.

4. Clear organization: An argumentative paper needs a clear structure and organization, and attention should be paid to the cohesion and logical relationship between paragraphs to make the ideas of the article clear and compact.

5. Concise language: The argumentative paper needs to use concise and clear language, avoid vague words, and pay attention to the correct use of grammar and punctuation.

6. Objectivity and fairness: When writing an argumentative essay, you should look at the problem objectively and fairly, don't exaggerate or distort the facts, and don't have too many personal feelings.

7. Consider the reader: The purpose of argumentative writing is to convince the reader, so we should consider the background, viewpoints and needs of the reader in order to better achieve the writing purpose.

In short, writing an argumentative essay needs clear thinking, analyzing problems, providing sufficient arguments, being clear-cut, concise, objective and fair, and considering the needs and background of readers, so as to better achieve the purpose of writing.