Impeachment is a constitutional guarantee whose purpose is to demand political responsibility from senior officials, when they exceed the powers attributed to them by the Basic Law, being subject to a process in charge of the Congress, in which the official who is attributed the excess of his functions established in the Constitution appears as accused. The article exposes the characteristics of impeachment in comparative law, in Mexico and particularly in its operation in the State of Aguascalientes, making a study of its application in a period of 30 years (1993-2023).