This article examines the clinical features of obstructive bronchitis and bronchopneumonia in children under 2 years of age. Examinations were conducted in the Department of Infectious Diseases of Children's Clinical Hospital No. 1 of Gomel Region. Medical records of 47 hospitalized patients are analyzed. The child's life anamnesis, duration of illness, clinical symptoms, concomitant diseases and a number of laboratory analyzes were evaluated.