人类的审美呈现出感性、知性和理性三个阶段两种类型的特征。感性阶段审美是直接来自事物的形式的快感,而知性阶段审美是人因对事物内容的接纳而转发的对事物形式的间接快感;理性阶段审美则是人对审美客体的形式和内容统一问题的积极思索。在感性和知性阶段的审美判断中,作为审美主体的人是不自觉的、无意识的,是自在审美;而理性阶段的审美判断中,人是自觉的、有意识的,是自为审美。综上所述,美是引起快感的形式。 Human aesthetics presents two types of characteristics: sensibility, intellectuality and rationality. Perception stage aesthetics is directly from the pleasure of the form of things, and the intellectual phase of the aesthetic stage is because of the content of people accepted forwarded on the things of the form of indirect pleasure; rational phase of the aesthetic stage is the aesthetic form of the object and the content of the issue of unity Positive thinking. In the aesthetic judgments of the sensuous and intellectual stages, the person who is the aesthetic subject is unconscious and unconscious, which is aesthetically pleasing. In the aesthetic judgment of the rational stage, man is consciously conscious and self-aesthetic. In summary, the United States is the form of pleasure.