In general, fevers that cause elevated white blood cells are mainly bacterial infections. If you have a normal blood count but have recurrent fevers, they may be caused by non-bacterial infections, immune rheumatic system diseases, or early stages of neoplastic diseases. Microbiological culture and other tests are needed to clarify the cause and then treat the symptoms. Common causes 1, viral infections: such as influenza, viral encephalitis and other viral infections, oral ribavirin, oseltamivir and other drugs can be taken; 2, rheumatic immune system diseases: such as rheumatoid arthritis, rheumatic fever, connective tissue disease, etc., blood routine can be normal, can follow medical advice to use diclofenac suppositories, ibuprofen to relieve symptoms; 3, tuberculosis bacillus infection: such as tuberculosis, kidney tuberculosis, intestinal tuberculosis, etc. The early blood routine can also be normal, and anti-tuberculosis treatment such as isoniazid, rifampin and ethambutol can be used after the diagnosis is clear; 4, other: leukemia, lymphoma and other tumor fever may also cause related symptoms, which need to be treated by doctor’s guidance in time. Precautions need to be strictly monitored for temperature changes, and the diet should be light and easy to digest, trying to choose foods such as rice porridge and noodles. Attention should also be paid to keeping warm to avoid further aggravation of fever symptoms. If the body temperature rises, pay attention to physical cooling, such as using warm water baths, ice packs, alcohol wipes, etc., to prevent hyperthermic convulsions.