During the XXI CENTURY we have witnessed an exponential growth of corruption worldwide and in Mexico, particularly. Although it is more precise to point out that what has been experienced during the last 20 years is a considerable increase in the perception of corruption. Information and communication technologies (ICT) have allowed public opinion to follow more closely the actions of governments, public servants, politicians and other actors involved in the economic and business spheres, largely thanks to journalistic work, declassification of documents and leaking of information. Mexico has been structurally affected by corruption, which has manifested itself in the poor performance of the country in the different international indices and reports, as well as in the scandals of politicians and officials of all levels of government. But there has also been a boom in the study, analysis and focus on the fight against corruption. This text creates a roadmap for the study of corruption, integrating its theoretical dimension, taking up some of the main approaches for its understanding, with the perspective of intergovernmental and non-governmental organizations, along with current regulations at the international level. and local, to analyze the elements that are taken up in anti-corruption policies. From these elements, we seek to understand the phenomenon of corruption in Mexico, considering the statistics, figures and costs that this problem presents in our country and in comparison with other States, to finally examine the normative and institutional framework of anti-corruption in Mexico. Mexico, mainly, of the National Anticorruption System (SNA) and the local systems (SLA).