As we all know, cartoon is also a visual art, which encompasses all means of painting expression. Through the depiction of cartoon works, it plays a role in rendering and highlighting the theme of cartoon, and makes the theme of cartoon deepen. Due to the rich means of expression and diversified forms of cartoons, it is inevitable that people have misunderstanding or vague understanding and cannot distinguish how many forms of painting expression. Therefore, it is necessary for us to make a rational and scientific division of the colorful forms of expression, so that we can have a clear understanding of the means of expression of comics and understand and master the visual aesthetics.