This article analyzes the features of recycling based economy and society mode with the thought of system science thought, explores the mode's usage and policy mechanism, and presents the policies of deepening reforms and pushing the development of resources recycling based industy.

China is experienced from the initial stage characterized by introduction of cleaner production method,setting up demonstration project to the development stage focused on the establishment of policy mechanism for further promotion of cleaner production.

The progress in promoting cleaner production in China via policy mechanism is summarized on the base of analyzing the existing and typical policies related to cleaner production.

Exploration on the policy and mechanism of the scenery zone coordinating with effective protection of the scenic resource;

Study on the List Companies Response to the Mandatory Accounting Changes;

The writer of this paper focuses on the discussion of relationship between the mandatory accounting changes(MAC) and the voluntary accounting changes(VAC) under the Chinese background.

Mandatory Accounting Changes refers to that the rule-makers of the accounting standards require the companies to change their accounting policies according to the law or administrative instructions,regardless of the companies\' wishes.