Face fever every night is related to physiological factors such as mood swings and strenuous exercise, and is also considered to be related to upper respiratory tract infections, allergies, and tuberculosis. 1. Physiological factors: mood swings at night, strenuous exercise, intake of spicy stimulating food, open air conditioning, etc., can lead to some people every night face fever. 2. Upper respiratory tract infections: upper respiratory tract infections are mainly related to bacterial and viral infections, while decreased immunity and not paying attention to keep warm at night are among the triggering factors. When suffering from respiratory tract infections, some patients may show that their faces are hot every night. 3. Allergy: If you are exposed to animal hair, dust mites or allergic foods at night, you may also experience fever at night due to allergic reactions. 4. Tuberculosis: the disease is mainly caused by Mycobacterium tuberculosis infection, the patient’s typical symptoms of night sweats, fatigue, loss of appetite, etc., can also be manifested in the face every night fever. There are many reasons for the fever every night, and it is recommended that those who are suffering from the symptoms should consult a doctor in time in order to clarify the disease and then follow the doctor’s instructions for treatment.