Introduction. The relevance of the problem of health care of older preschool children is explained by the fact that statistical data indicate an annual decline in the health index of preschool children. The World Health Organization notes that the number of healthy preschoolers has decreased by 5 times and is only about 10% of the contingent of children, the prevalence of functional disorders reaches more than 70%, chronic diseases – 50%, physiological immaturity – 60%, more than 20% of children have a body weight deficit. Therefore social and pedagogical importance of preserving the health of the child increases in the modern conditions of development of preschool education. The purpose of the study is to organize a comprehensive health-saving support for children of senior preschool age through a specially developed and implemented technology. Materials and methods. The experimental study was conducted on the basis of the Municipal state preschool Educational Institution Kindergarten no. 125. (Russia, Yekaterinburg). The study sample consisted of 106 children of senior preschool age. As research methods were used group theoretical (analysis, synthesis, generalization) and empirical (observation, diagnostic task «Our habits» O.V. Dubina, the questionnaire «Healthy person» I.I. Malozemovа, diagnostic methods «Parovozik» S.V. Veliyeva, analysis of disease incidence and physical health, experiment) techniques, methods of data processing. The Student's t-test was used for statistical comparison of the results. Results of the study. The formation of health-saving competence of preschool children, a conscious attitude to their own health was carried out systematically, consistently and purposefully through specially designed blocks of joint activity of the subjects of the educational process of health-saving technologies for older preschool children, which were used in a complex on the basis of an individually differentiated approach. The obtained values of the t-criterion at the significance level p < 0.06 indicate a positive effect of the developed technology on the effectiveness of all health-saving criteria for older preschool children. Discussion and conclusion. Children's health is the most important indicator of social well-being and the normal functioning of society. Psychophysiological and environmental overload, the weakening of the role of preschool educational institutions and the family today actualize the problem of preserving and strengthening the health of the younger generation.