The Study Of "Obligation" In Kant’s Ethics

"Obligation" is a very important category in Kant’s ethics. Kant believed onlythe actions from duty have moral worth, Kant’s moral philosophy is often consideredas deontology. Kant’s transcendental philosophy should be as a breakthrough point，then to make a research of the category of "Obligation"，in order to explore thetruth.of Kant’s moral philosophy.This paper mainly divided into two parts. The first part of this paper is therational part of Kant’s Obligation category，including Obligation category wasproposed and the rich connotation of Obligation. Germany’s social change and Theenlightenment are Real background of Kant’s moral philosophy. Kant rescued therationality from David Hume with the transcendental philosophy.At the same timewith the practical reason of freedom responded to Rousseau’s worries about thefreedom lost. Kant believed the generally rational， rational freedom orienteduniversal law.Common law is the will of self-discipline, that is, free will, is a goodwill and good will in the phenomenon of the embodied in Obligation. So Kant’sObligation is based on rational freedom, from content of Ontology world down to acognitive phenomenon. In Grounding for the Metaphysics of morals, Kant proposedfull obligation and non-full Obligation of liability and Obligation to others and theobligation of the two interaction types.Then in Moral metaphysic, Kant explicitly todivide obligation for legal obligation and moral obligation, the former correspondingis full obligation, the latter corresponding non-full obligation.The second part by interpreting the philosophy of Kant’s obligation theory toachieve the purpose of for the relocation. Since the beginning of the theory of Kant’sobligation question and defense at the same time, it is in the debate that Kant’s theoryof liability’s nature to show. Facing disapproval, theory of Kant’s obligation to showgreat tolerance. For the first time, wipe out the moral behavior motive source of Kant,ethics and obligation theory extended to the aesthetic field, that is beautiful isgood.So, Kant would be true, constituted his complete ethics thought. We havesuspension set theory of Kant’s obligation is the essence of ethics obligation theory.