When the patient has the symptom of fever at night when he is fine during the day, he needs to clarify the cause of the disease, and then take active treatment measures for the cause, and he needs to be treated for the symptoms of fever. If the fever is caused by the infection of bacteria in the body, you can take amoxicillin capsules for anti-inflammatory treatment. If the fever is caused by microorganisms such as chlamydia, you can take antibiotics such as azithromycin. If the fever is caused by viral infection in the respiratory tract, it can be treated with drugs such as antiviral oral solution. When the patient has the symptom of fever, he needs to measure the body temperature with a thermometer in time and choose the cooling measures according to the temperature. If the temperature is below 38.5℃, you can drink more water to relieve. If the temperature is above 38.5℃, you can take ibuprofen to reduce the temperature and relieve the symptoms of fever. Therefore, when patients have the above symptoms, they should go to the hospital in time for routine blood tests to make a clear diagnosis before treatment.