This paper encompasses a discussion Kant’s work the Metaphysics of Morals. It is a discussion of the argument presented by Kant about applied moral philosophy. There is a discussion about how he deals with the basic principles of rights and of virtues. The two parts of the book are discussed as well; the ‘Doctrine of Right’, which deals with the rights which people have or can acquire, and the ‘Doctrine of Virtue’, which deals with the virtues they ought to acquire.