in the theories of ethical philosophy utilitarianism and deontological ethical perspective are the two well-known and most influential theories in contemporary normative ethics to specify and justify moral rules and principals and they have a wide range of difference between and their thoughts might influence what individuals believe about moral issues.
Immanuel Kent developed the modern deontological ethical concept in the late 18 centuries. his theory concerned with duties and rights. Rightness and wrongness. According to deontological, an action is well thought-out morally good for some characteristic of the action itself and regarding their consequences, deontological ethics holds some acts of morality as obligatory for human well-being. By contrast, utilitarianism also called consequentialism is a moral theory developed by Jeremy Bentham and John Stuart Mill. More focus on the effects of the personal action utilitarianism; believed the purpose of morality is to make life essay by imprisoning the amounts of the good thing. such as pleasure and happens by decreasing the amount of bad thing in the world pain and unhappiness their central principle of ethics lies in conformity of an action to some regulation and turn around on the idea of the end justifies the means although the deontological perspective on the concept the end does not justify the means.