Discuss the issue of justice for a long time, Chinese and foreign thinkers elaborating their own understanding of the concept of justice. Because justice is not only related to the social community order arrangements,, but also embodies the human pursuit of fairness and justice ideals, many thinkers. All walks of life who have made their demands for justice and insights, but in the end justice who is related to justice, what justice has not been determined. Due to the natural environment, production methods, and other historical and cultural differences, the study of Western justice issues follow two different paths. Also, because of the special nature of justice, it is closely related with everyone around them will also put forward the corresponding requirements, a variety of factors make it complicated to discuss justice issues. In1971, John Rawls published "A Theory of Justice", a book justice issue again become a hot topic. John Rawls, Robert Nozick, Ronald Dworkin are all involved in the discussion of issues of equality and justice. Amartya Sen on the basis of the theory of the criticism of others, in order to construct their own reality and feasible method of comparing the ability of Marxism as the core of the theory of open justice system.Sen’s theory of justice from the doctrine of comparative analysis of reality, and from the methodological point of criticism of John Rawls as the representative of the path of transcendental institutionalism, which set the tone for his general theory of justice. The standard measure of justice is concerned about the system in comparative perspective, the elimination of unfair behavior. We are more prone to injustice consensus, more conducive to the elimination of injustice, which is better than the reality we are going to discuss some distance with absolute justice. Of course, the real need for more solid comparative doctrine "reason" for citizens and more practical social coordination mechanism.Capabilities equality is real justice issues as it relates to the ability of the pursuit of quality of life. Sen first resource egalitarianism and welfare egalitarianism criticizes pointed out resources for the achievement of justice and utilitarianism is invalid. These two methods can not solve the "interpersonal differences" problem, the end result will be unjust. And feasible ability to compare their ability to function achieved by looking for "information focus." Practical ability and specific human life and look forward to things closely related, can accommodate more evaluation criteria, which aims to protect and expand people’s substantive freedom, and ultimately promote the development of the practice of justice. |