Inner garment for patients with some type of mental illness, constituted from a piece of textile material, recommended to be placed as a diaper or on top of it, and which has mainly two opposite parts, one frontal and one posterior, relatively rectangular and joined by a narrower part than the previous ones, said narrow part being the one that goes in the crotch, characterized in that the back part, which has an elastic portion in its central area, is placed on the back of the person and surrounds the waist and hips of the user closing their ends in the frontal area by means of velcro bands, and because the back part presents in turn, near one of its ends, a band that goes through a first eyelet located in the central front of the garment when it is placed on the front area of the wearer, and runs towards the opposite end from which it comes through a loop and a second eyelet, surrounding the user's waist and going towards the rear area. (Machine-translation by Google Translate, not legally binding)1. Prenda interior para pacientes con algún tipo de enfermedad mental, constituida a partir de una pieza de material textil, preconizada para ser colocada como pañal o encima de éste, y que dispone principalmente de dos partes opuestas, una frontal y otra posterior, relativamente rectangulares y unidas por una parte más estrecha que las anteriores, siendo dicha parte estrecha la que va en la entrepierna, caracterizada porque la parte posterior, que presenta en su zona central una porción elástica, está colocada sobre la zona posterior de la persona y rodea la cintura y caderas del usuario cerrando sus extremos en la zona frontal por medio de bandas de velcro, y porque la parte posterior presenta a su vez, cerca de uno de sus extremos, una cinta que atraviesa un primer ojal situado en la parte frontal central de la prenda cuando ésta está colocada sobre la zona frontal del usuario, y discurre hacia el extremo opuesto del que proviene atravesando una trabilla y un segundo o