With the goal is introduction a Child-center education method - the Montessori method with Free Work to the managers and teachers of Kindergarten and Primary school whom perform in inclusive education mission to chidren with disabilities. OGCDC have cooperated with World Vision (USA) in Vietnam organized the training course on “Utilizing the Montessori method - Free Work in inclusive education at kindergarten and primary school” in Vinh Linh and Trieu Phong District, Quang Tri Province from 05 to 08/07/2010 and Hai Lang District, Quang Tri Province from 19 to 22/07/2010. Through training courses, trainees have knowledge about the general argument basic on Development Psychology and Learning Theory, specially understanding the decisive principle in Montessori Method. Trainees find out a the areas of education of Montessori and the way to introduce and make specialized equipments to support for all children and disabled children. Trainees also have oppotinities to set up the problem as strengthen and modify some current condition in order to applying the Free Work in inclusive education. Specially, children with disabilities can promote their ability, build self-made, self-educated, discover by themselves, and acquire good habits to create a solid base to include in social easily.