Este trabajo está orientado a ilustrar cuál fue el recorrido de la historiografía hasta llegar al momento actual y cuáles fueron las características y las motivaciones de las diferentes etapas, así como las líneas de investigación que se han abierto en este campo. ABSTRACT After a period in which the religious conflict known as the Cristero is barely mentioned, some works signed by those who had participated, both on the side of the government and the Cristero militias, began to appear. With this, a version was obtained that revealed the complexity of the problem and opened up a huge number of lines of research. Religious conflict, testimonies, professionalization of history, primary sources, Mexican government, Catholic Church.