The present article seeks to analyze the exchange Argentine-Brazilian trade in recent years And Chinese penetration in the region in order to Observe the future prospects of MERCOSUR And the necessary public policy options in Matter of international insertion, It stops at the Sectoral analysis of bilateral trade and Of displacement of regional production by Asian suppliers finding a drop in The last years in the share of exports Argentina to Brazil and vice versa, while There is an increase in Chinese participation In all sectors, except for the automotive. Faced with this, the questions arise: Is the greater liberalization And the flexibilization of MERCOSUR, The exit for the Argentine economy? Will it be possible By this way to recover markets in recoil Like the Brazilian? Or, on the contrary, the greater Regional regulation, as in the automotive case, Is the basis for sustaining a process of sustainable development?