Abstract: In the logic of life,liberty and property,property theory justifies legitimacy of property in labor and constructs a society from intrinsic human nature to external social scene.In the property theory,metaphysical natural law of property achieves a humane form of care,and operational positive law establishes a historical form of property rights.The socialist legal system with Chinese characteristics has formed preliminarily this year.Based on the theory “the sole destination of law is to protect the right of people”,contract person dissolves the risks in the transition social and constructs a harmonious society in the two dimensions of the fear of inner psychological practice and external social compliance,which can be helpful for artificial concept to contract the construction of society ruled by law,leading and strengthening the social management by the rule of law.

Key words: property theory, natural law, the rule of law, harmonious society