This paper analysis of forest endowment, forest products production and trade situation of the members in each group, it identifies three different approaches, stock approach, production approach and atmosphere approach to make quantitative analysis on the forest carbon flux under the trade of forest products, it determines the gains and losses under different approaches, and verifies the underlying causes of the climate negotiations interest groups ; then analyzes the possibility of forest carbon cooperation between China and the BRICS countries and other economies, presents China~ stand poin...