The so-called eco-constitution means a constitution system whose center is "common interest of human and ecology",which abandoned the traditional constitutional thinking of "human interest centers" and "human interests above everything else".

Analyzing the cost structure of the constitutionalism operation is of time significance for the constitution implementation,the constitutionalism evaluation and the construction of constitutionalism society.

On right imbalance of constitutional government in social transformation period;

Choices under the Metarules——and on the relationship between constitutional government and economy;