In the structure of child mortality, trauma comes first among the causes of death in children over one year of age. Mortality in children with multiple and concomitant trauma remains high - from 7.1 to 22%. The aim of the work is to improve the results of diagnostics and surgical treatment of post-traumatic stress disorder with closed abdominal trauma using medical tactics in dependence on the severity of trauma and the degree of damage to the organs and the use of modern methods of surgery. Materials and methods: Over the past 10 years (2010-2019), 118 patients aged 1 to 18 years with associated injuries were hospitalized in the Republican Scientific Center for Emergency Medical Aid (RSCEMA) in the department of emergency surgery. All patients underwent a comprehensive examination, which included X-ray studies, CT, endovisual and endosurgical interventions.