This study analyze the impact of the implementation of trade agreements within the framework of ACFTA on Indonesia s export by using GTAP model a Multi Regional Computable General Equilibrium Model. Result shows that ACFTA provide opportunities for increased export from Indonesia Indonesia obtained a net creation of international trade mounted to 2% and total exports growth in creased by 1.8. however the export performance of Indonesia in the period showed a decrease of kompetitiveness as shown by the decline in share of Indonesian export commodities which are highly competitive and high intra - industry linkage. this paper also find that because the commodity structure of China an the non compeeting behavior of ASEAN countries including Indonesia (tends to complement) China is relatively easier to penetrate export to the Asean market. the entering product from China should provide opportunities for domestic producers to increase production capacity in ASEAN due to wider choice of realitively cheap capital good imports.