One-and-a-half-year-old baby with tonsillitis and fever needs the following treatment: I. General therapy. Pay attention to rest, feed your baby a liquid diet, drink more water, strengthen nutrition and loosen stools. If the baby has severe sore throat or high fever, oral antipyretics can be taken. Second, the application of antibiotics. The main treatment for baby tonsillitis, take your baby to the doctor and decide the type of antibiotics and the route of administration according to the severity of the disease. Third, surgical treatment. If there are many recurrent episodes of acute tonsillitis, especially if there are complications, tonsillectomy should be performed two weeks after the acute inflammation has subsided. Surgical removal is an effective way to completely remove latent pathogens. However, parents are advised not to undergo surgical treatment unless it is a last resort. When the tonsils are removed, the first line of defense of the respiratory system is removed.