1. The purpose of writing is different: the purpose of writing an argumentative essay is to express the author's feelings and opinions, which is lyrical and subjective. The purpose of argumentative writing is to expound a certain viewpoint, which is objective and logical.

2. Different writing styles: Argumentative essays mainly use narrative, description, lyric and other techniques to express the author's views through image description and emotional expression. On the other hand, argumentative writing mainly demonstrates concepts and judgments logically, and expounds a certain point of view by putting facts and reasoning.