The article presents the analysis of the health status of children born prematurely during the first year of their life. There is the comparison of morbidity rates for five years of the operation of the catamnesis center of Kazan. Profoundly premature children demonstrated the highest level of morbidity with more frequent pathologies of the central nervous system, respiratory organs, eyes and anemia of premature children. In 2017 there was a decrease in the frequency and severity of respiratory diseases (bronchopulmonary dysplasia with chronic respiratory insufficiency 1.6 times), the nervous system (severe ischemic and hypoxic-hemorrhagic lesions of CNS 2.7 times), eyes and its adnexa (a complicated retinopathy of premature children 1.7 times) in extremely premature infants.