This paper focuses on studying various ethical and moral theories, which influences the person’s decision on euthanasia. It has also studied the stance of religion on euthanasia. With the help of a lot of research, this paper aims to find out the views and reason of different theorist on euthanasia; it also aims to find out reasons of theorist for declaring euthanasia morally justified or not. This paper further aims to give both pro euthanasia theories and their viewpoints as well against euthanasia theorist making easier to analyze the worth of judgment. This paper also aims to find the relation between religion and morality while performing an action and its effect on people situation, through this paper will highlight the situations in which euthanasia is morally justified or not.