The red and hot face of a baby at night is mainly caused by overexcitement, overheated environment and fever before bedtime. 1.Overexcitement: can be caused by mental exhilaration and vigorous exercise before bedtime, resulting in increased blood pressure and capillary dilation, usually without other uncomfortable symptoms; 2.Environmental overheating: room temperature is too high, the cover is too thick, which will affect the baby’s heat dissipation, which will lead to a red and hot face, and may not be accompanied by an increase in body temperature; 3.Fever: due to body temperature Central nervous system disorders lead to an increase in body temperature, excessive heat production, less heat dissipation, often manifested as red face, hot body and other symptoms, common upper respiratory tract infections. Treatment measures 1, drug treatment: body temperature > 38.5 ℃, under the guidance of a professional doctor can use ibuprofen suspension, acetaminophen and other drugs to reduce fever treatment. For fever caused by bacterial infection, use cephalosporin antibiotics for anti-inflammatory treatment as prescribed by the doctor, and for fever caused by viral infection, use antiviral drugs such as acyclovir as prescribed by the doctor; 2. Physical therapy: When the body temperature is <38.5℃, carry out physical cooling by means of ice packs and warm water baths; 2. Other treatment: Keep the room at a suitable temperature, avoid wearing thick clothes and covering too thick quilts. Try to avoid strenuous excess before bedtime, as well as overexcitement to prevent your baby from having difficulty falling asleep. Caution When babies have fever, they also need to adjust their diet and consume sufficient water. For children who have added complementary foods, choose light, easy-to-digest foods such as yam porridge and rotten noodles. Pay attention to keeping warm to avoid respiratory tract infections. For fever caused by allergies, avoid contact with allergenic substances, such as pollen.