Research on unwritten constitutions is helpful to expanding the scope of constitution study, enrichment of its contents and balance of its structure.

From a strict legal standpoint, Michael Gagarin treats early Greek law with modern jurisprudent ideas, hence he doesn’t recognize that there was ‘unwritten law’ in the fountainhead of western law.

Carefully examining from the perspective of value systems,what the western constitution culture emphasizes is the individual principle of freedom,justice and the belief of the human nature being evil while Chinese traditional cultural values are the overall principle,the order and the belief of the goodness in human nature.

Based on the new concepts of legal studies, this paper argues that the construction of humanistic constitution culture is of great importance to the implementation of constitution and realization of constitution functions.

The constitution culture refers to people s faith, conception and emotion to constitution, and the choice of constitutionalism influenced by it.

Constitutional Socialization,Constitutional Culture Building,and Popular Constitutionalism:the Way of Establishing the Principle of the Rule of Constitution;

Such revelation is of great significance to China s building of a constitutional system and constitutional culture.

The different constitutional culture and system give birth to the essential rights of the different types and characteristics.