Abstract: Tonsillitis is one of the most widely conditions that recurrently affect children in all ages during the childhood. The overall management of tonsillitis is complicated in regard to causes, specific diagnosis and appropriate treatment measures. Therefore, the aim of this review was to highlight the tonsillitis in children with particular stress on the diagnostic and treatment measure that are currently used to deal with pediatric tonsillitis. In conclusion, Bacteria is still the most causative agent with widely used antigen tests for confirmation. Tonsillectomy is still one of the most frequently performed surgical interventions in children.