This issue of the Revista Mexicana de Política Exterior, dedicated to multilateralism in Mexico's foreign policy, has two purposes: to highlight the importance of multilateralism in today's complex and uncertain international environment, and to stimulate readers' interest in understanding Mexico more. background how its institutional framework works. Despite the fact that multilateralism can sometimes be perceived as a diplomatic effort that is carried out far from home and whose consequences are intelligible only to experts, the truth is that Mexico's multilateral action focuses on issues that profoundly affect daily life. of Mexicans and seeks to pay for the development of the country.