康德认为人具有三种先天的认识能力,分别是感性、知性和理性.为联系直观以思维对象的能力,就是知性.而只有依靠先天的十二个范畴,知性才能理解直观的杂多中的事物。本文从知性范畴的含义、知性范畴的推导论证、知性范畴的内容以及知性范畴的作用等几个方面进行了初步的分析. Kant believes that man has three kinds of innate cognitive abilities, namely, sensibility, intellectuality and rationality. The ability to think of objects in relation to intuition is intellectuality, and only by virtue of the innate twelve categories can intellectuality understand intuitive heterosexuality thing. This article analyzes the meaning of intellectual category, the derivation of intellectual category, the content of intellectual category and the role of intellectual category.