The article discusses the differences in clinical signs of diseases of bodies of uric system at children of one of the regions of the southern Federal district in comparison with other regions (St. Petersburg, Veliky Novgorod). Discriminant analysis allowed to identify 5 characteristics (pathology of the urine, urination disorders, abdominal pain and/or lower back, poor exercise tolerance, prolonged fevers), the most typical diseases of the kidneys and urinary tract in children living in the Astrakhan region. Children with urinary system diseases are characterized by a high prevalence of violations of physical development due to the inconsistencies in rate increases of the age regulations. Established regional characteristics of anthropometric indicators anthropometric and integrated indicators.