A choice of business for the pharmaceutical industry “Seguro Popular” in Mexico. Abstract Mexico has various providers of health services each one determined to a sector of the population where we can find the Mexican Social Security Institute (IMSS) that is specifically for workers in the private sector employees and their families, the Institute for security and services social of the State workers (ISSSTE) for workers in the service of the State or public sector and their families starting 2003 ushered to the Seguro Popular that extends to the population without social security or in State of helplessness in these three mentioned health are emerging as institutions providing health services larger Mexico insomuch that by 2013 the Seguro Popular has approximately 54 million affiliates number of successful membership in less than 10 years in a country where there is little more than 110 million of people Seguro Popular is placed, on par with the historic and hegemonic IMSS, as the largest buyer of drugs, aware of this are his consumption figures that since 2008 has been made public, in such data can find that from 2008 to 2012 they have bought 1,241,637,748.68 US Dlls only in drugs consumption regularly since the Seguro Popular has several portfolios of services where separate regular conditions of sufferings of low frequency and high cost and conditions of very low frequency and high cost for children under 5 years who in turn have specific budgets.