Tonsillitis is an inflammation of the tonsils, a pair of tissue masses on either side of the back of the throat, which are part of the immune system and are important organs for fighting infections and other diseases. There are many complications that may accompany inflammation of the tonsils, and fever is one of them. If the body temperature exceeds 38.5°C, it is recommended to use physical means first, and then use antipyretic drugs to lower the temperature, usually using cold water or alcohol for bathing, but for younger patients, it is recommended not to use alcohol for bathing. If the body temperature is above 39°C, medication should be administered immediately. If the high fever is held for a long time, it can lead to many dysfunctions of the body and even serious febrile convulsions. If a fever occurs when the body has tonsillitis, first of all, do not be nervous, keep the body’s water needs, drink more water, if the body temperature is very high, it is recommended to use antipyretic drugs to take strictly in accordance with the recommended dose, do not increase the amount without authorization, so as not to quickly and excessively reduce the fever and cause the body to deflate symptoms, if the temperature is relatively high to go to the hospital in a timely manner. Treatment of inflammation is the fundamental way to treat fever.