If your child has a fever caused by tonsillitis, first of all, you should pay attention to a light diet, drink a lot of warm water, keep your child well rested and promote the body’s immunity. Fever depends on how high the temperature can reach, low fever is between 37.5 degrees and 38.5 degrees, high fever is 38.5 degrees or more. If the fever is low, you can take Pudilan Anti-inflammatory Oral Liquid or Shuanghuanglian, which can cure tonsillitis and reduce low fever at the same time. If it is more than 38.5 degrees, you have to take the emergency antipyretic medicine Ibuprofen or Tylenol, and try to check the blood routine to see if it is a bacterial infection, if it is a bacterial infection, you have to take cephalosporin anti-inflammatory drugs.