The urgency of a study, namely, the problem of the adaptation of the children of early age to a stay in the children's pre-school establishment is immediate at present, since the level of their physical and mental fitness for work, health depends on this. In the article questions of the adaptation of the children of early age to the children's pre-school establishments are analyzed. Are examined modular technologies, technological program on the adaptation of the children of early age to the pre-school educational establishment. The results of work show that the processes of adaptation they influence the level of psychophysical development, group of health, the degree of the hardness of children, the formation of the habits of self-service, the personal special features of little-one himself, family and degree of the preparedness of teachers, who work with the children of early age. For improving the processes of adaptation in the garden the groups of the temporary stay work. Attending this group, children become acquainted with kindergarten, group, teachers, into task of who enters the realization of individual approach in the training with respect to the children not ready to a stay in the pre-school establishment, work with the parents and the teachers. Our studies showed that the level of the adaptation of the children 3- X of summer age to the pre-school educational establishment is insufficiently high, which, in turn, originally decreases the possibilities of successful adaptation and socialization of children.