| What is the justice, what is the standard of justice, how to realize social justice is the question that people are considering constantly through the ages. Different opinions about justice have appeared with the development of the times and changes of the social contradiction. In numerous just theories, "A Theory of Justice "which came from, John Rawls, a famous political philosopher of U.S.A. in the seventies of the 20th century takes the course of its own. "A Theory of Justice "which has demonstrated the justice as fairness, has caused a lasting discussion about the justice and promotes human thinking of social justice enter one dark level and realm.Justice is eternal theme of human society, can be said that the history of human society is a history of justice. There are different topics of justice in different society. Justice is the first virtue of social system; however, in fact it is the people's approval. Rawls is an American famous ethics expert, his "Theory of Justice" is a famous contemporary profound demonstration, profound thinking just theoretical. Theory of Justice is not only for the mature capitalist market economy system, social fairness and justice system to conduct an in depth reflection and discussion Moreover, the author also pointed out the theory of justice is not only applicable to the capitalist system, but it will also be applicable to the socialist system. The theory of justice is based on the basic idea of the ideal state of society. However, the implication of which means that the idea of justice in the distribution of the interests of the people and not for arbitrary distinction between people in the appropriate balance. Application of the principle of freedom and equality principle difference (two principles of justice) major social conditioning system. From the perspective of society as a whole to address the inequalities starting point. Exclude historical and natural aspects of the causal factors for people's life prospects. China is in a period of social transition, facing the gap between rich and poor, polarization, not in protecting the rights of vulnerable groups, undoubtedly has important significance for reference, and the song with successful results. This paper attempts to study the "theory of justice" based on the original works, draw rational thoughts especially vulnerable groups, the "Theory of Justice" reflects the concern of the greatest innovation grant from the minimum rules, China's transition to the solution of the serious problems of fairness and justice ideas with a view to promoting social justice for the settlement of the issue, to facilitate the establishment and development of a harmonious society. |