A baby’s stomach may be hot because of indigestion, enteritis, disorders of the thermoregulatory center and other conditions. 1. Indigestion: Indigestion can cause a baby’s stomach to become hot, usually due to improper diet, usually accompanied by loss of appetite and other symptoms. 2. Enteritis: enteritis may also cause the baby’s stomach to become hot, enteritis is also caused by bacterial or viral infections, the baby’s stomach is hot, usually accompanied by diarrhea, vomiting and other symptoms. 3. Thermoregulatory center disorders: Thermoregulatory center disorders can also cause babies’ stomachs to become hot. Often children may have chills before they get hot. The baby’s stomach is hot, there may be other reasons, it is recommended to go to the hospital in time, complete the examination to determine the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.