Based on the analysis of the significance of improved forest management projects in implementation of international convention and improvement of enterprise s "green"image and maintenance of national ecological security in China, this paper discusses the necessity of improved forest management projects included into the market for voluntary carbon offset.

The voluntary carbon market can be divided into two distinct components:the Chicago Climate Exchange(CCX) and more dispersed through the OTC(OTC) market.

Advantage and disadvantage were compared among the main carbon offset standards for international voluntary carbon sequestration market.

Flood insurance fails repeatedly,so the market compensation mechanism is not mature.

In the medium to long term, the governments should promote the reforms of property rights system of water resources, which will change the recent governmental compensation to the medium-term combining of governmental compensation and market compensation, and to the further long-term combining of market compensation and social compensation.

In order to promote the development of the forest carbon offset market development in China, this paper made an in-depth research on international forest carbon offset market,which includes market structure, market driver, market participants, products, competition, payment scheme, market maturity and market distribution,etc.