Results of observations examination and treatment of 115 children with gastroesophageal reflux aged from 3 days to 14 years are described. Great importance of special methods of examination was shown. Results of using the roentgenological method, fibroesophagogastroscopy with biopsy of the esophagus, manometry and electromyography of the esophagus are presented. Specific features and results of the surgical treatment of the disease are described.