How does 5 year old child tonsil inflammation have a fever repeatedly to do

Tonsil inflammation, if it is caused by bacterial infection, should be treated with antibiotics, at the same time should be coordinated with physical cooling, temperature more than 38.5 degrees should use antipyretic. Virus infection caused by tonsil inflammation should use antiviral drugs. Usually can be gargled with light salt water, can be sterilized anti-inflammatory.