The child sleeps with a red face, and feel feverish performance, if there is no other abnormal performance, may be due to the body heat dissipation is not timely, but may also be fever, allergies and other factors lead to, parents need to carefully identify the cause of the cause of the disease for the appropriate treatment. 1, the body heat dissipation is not timely: children’s metabolism is strong, too much excitement before going to bed or exercise excessively, or sleep indoor temperature is too high, covered with a too thick blanket, leading to heat dissipation is not timely, resulting in increased body temperature, thus causing the expansion of facial blood vessels, blood circulation increased, there will be a red fever phenomenon appears. The body temperature rises, which causes the facial blood vessels to expand, blood circulation to accelerate, and heat dissipation to increase, and the phenomenon of redness and fever will appear. Attention should be paid to the timely lifting of triggers, maintaining a suitable environmental temperature, timely increase or decrease in clothing, avoiding strenuous exercise before bedtime, etc., to avoid high body temperature; 2, fever: by viral or bacterial infection, can lead to fever symptoms, body temperature rises make the face red. When the symptoms are mild, you can first use warm water to wipe the body, the use of water evaporation to achieve the purpose of cooling, if the fever persists, you should consult a doctor in a timely manner, as prescribed by the application of acetaminophen, ibuprofen and other medications to control fever, the presence of bacterial infections and the use of antibiotics as prescribed by the doctor; 3, allergy: If you sleep before contact with allergens or eating allergenic substances, such as eggs, milk, peanuts, etc., may cause allergic reactions, the skin on the face with hives. Hives appear on the skin of the face, manifested as red wind, accompanied by fever symptoms. If necessary, paracetamol, cyproheptadine, phenothiazine and other drugs can be applied to alleviate the symptoms. It is recommended to go to the hospital to find out the allergens and avoid contacting the allergens in the future. 4. Scarlet Fever: an acute respiratory infectious disease caused by group A hemolytic streptococcal infection. It can cause fever and generalized rash, red face, although the facial rash is less common, but mainly congestive manifestations, should pay attention to taking penicillin for antibacterial treatment.