Abstract: Establishing adaptation committee to promote adaptation actions under UNFCCC is one of the key issues between developing countries and developed countries during climate change negotiations. Based on reviewing the results of adaptation actions and analyzing the functions of current mechanisms under UNFCCC, the functions needed by the adaptation committee were investigated, which at least include adaptation plan, policy making, financial needs assessment, project implementation, regional centers coordination. Then, in regards to the key issues of current negotiation, the developing countries should insist that the adaptation committee come from parties and the majority of representative from developing countries, directly report and propose to COP, and directly connect with financial and technical mechanism.