| Along with the Chinese society urbanization rapid developing, the subject of the peasant laborer become the focal point which the present society and the academic circles pays attention. In the construction harmonious society great objective music movement proposed by the Central Committee of the CCP, it is a Chinese society unharmonious note that the peasant laborers are under the present situation of opportunity flaws or being unable to. share the social developing achievement.This article bases the social fair theory angle of view, analysis the present situation of that the peasant laborer has not been able to share the social developing achievement and faces the system difficult position. Then discover the in-depth constitutive reason which exists between the revelation system in difficult position and the peasant laborer opportunity flaw. Thus constructs a set of fair effective institutional framework which is advantageous to peasant laborers to share the social developing achievement, and provide the new policy consultation and the suggestion for further consummates by the party and the government.This article first decomposes the peasant laborer system difficult position into the system flaw, the system conflict, the system preference, the system credit breaking, the system distorted execution and so on five aspects. Simultaneously decomposes the peasant laborer opportunity flaw into the social resources possessive amount are extremely few, the social resources obtains deficiently the way, the social resources obtains extremely weakly ability and so on three aspects. Then proposes five research suppositions: 1, the system flaw is an important reason that creates the peasant laborer opportunity flaw; 2, the system conflict is an important reason that creates the peasant laborer opportunity in flaw; 3, the system preference an important reason that creates the peasant laborer opportunity flaw; 4, the system credit breaking is an important reason that creates the peasant laborer opportunity flaw; 5, the system distorted execution is an important reason that creates the peasant laborer opportunity flaw.The findings indicated that: The system difficult position is the important reason that the peasant laborer not to be able to share the social developing achievements. The influence that the five aspects of system difficult position affect the peasant laborer sharing the social development achievement can't divide the demarcation line absolutely. These five aspects are complementing one another, affect mutually.In final this article has carried on some discussions to the peasant laborer system: 1, constructs the fair peasant laborer institutional framework, which specifically refers to correlation systems and so on the reform and consummation lateral economic ties, employment system, educational system and social security systems, thus eliminate system discrimination. On the other hand we must establish the peasant laborer organization and cultivate the folk organization, safeguards the peasant laborer rights and interests; 2, Guaranteed benign interaction between the peasant laborer and the social system, then establishes the peasant laborer system trust. |