Most of the red and hot faces in babies are caused by an increase in body temperature, but there is also the possibility of local allergies. Many babies have a red and hot face, which is sometimes not normal, so parents are more worried. There are many reasons why a baby’s face may be red and hot, such as excitement caused by excessive exercise before bedtime, and high temperature caused by overdressing and over-covering the baby while sleeping. But sometimes a baby has a cold and fever, a skin disease, etc., which may also cause the baby’s face to be red and hot. Sometimes this can also happen when there is eczema. In the case of toddler rash, this is the time when recurrent fevers occur. Usually, the fever starts for 3-5 days, and then the rash is removed and the baby is cured. If it is not fever, eczema or excessive clothing, it is possible that the baby has a heavy food fire and may also have a red face. The baby may also have a thick tongue, a strong odor in the mouth, or even a dry urine or smelly stool. In this case, it is recommended to reduce the addition of complementary foods and try to eat more easily digestible foods. You also need to drink more water. Usually, the baby can return to normal on its own. If your baby’s face is red and hot, it is best to send him or her to the hospital in time to find out the cause of the problem and to treat it in a targeted manner.