In the infectious pathology of childhood, viral diarrhea becomes increasingly important. In the present work, the clinical and epidemiological features of rotavirus, adenovirus, norovirus and enterovirus enteric infections in children have been analyzed. It was found that viral intestinal infections are one of the leading causes of infectious gastroenteritis in infants. Viral diarrhea is most severe in children with unfavorable premorbid background. Infant patients are characterized by the development of water-deficient excoxicosis. The absence of specific prevention, ease introduction of infection creates the prerequisites for the growth of morbidity.