Acute tonsil suppuration well, the 4th day and fever, usually with improper diet, incomplete treatment, other parts of the inflammatory infection and other factors. 1. Improper diet: When acute tonsil suppuration is not completely recovered, eating too spicy, stimulating, greasy and other foods is easy to stimulate the tonsils repeatedly. The condition may recur, thus causing fever and fever. 2. Incomplete treatment: If acute tonsillar suppuration is not cured before stopping medication without authorization, the condition is not well controlled and the treatment is incomplete, the disease may recur again, which is easy to cause fever. 3. other parts of the inflammation infection: such as in the tonsil suppuration well, due to the body’s resistance to decline, pathogenic bacteria lead to local complications, such as acute otitis media, acute rhinitis, etc., can cause systemic symptoms, resulting in fever. Acute tonsil suppuration well, the fourth day and fever, need to consult a doctor in time to clarify the cause, and then targeted treatment.