If your baby keeps crying when he has a fever, take immediate treatment to reduce the fever depending on the temperature. When the body temperature exceeds 38.5, apply antipyretic drugs urgently. You can apply acetaminophen or ibuprofen component antipyretic drugs, choose one for antipyretic treatment. Immediately afterwards, you need to take physical cooling to assist in the treatment, you can wipe with warm water, or drink warm water can be. After antipyretic treatment, see if the baby’s temperature can be reduced to normal. If it does not go back to normal, take your baby to the hospital for further treatment. If the temperature is normal, observe if the baby is crying. If the baby is still crying after the temperature has gone down to normal, find out if it is caused by factors such as bloating. Babies often cry all the time because of abdominal discomfort such as bloating, which can cause constant crying. If it is mild bloating, you can relieve it by applying heat and massaging the abdomen clockwise. If it is caused by factors such as intestinal obstruction or intussusception, you need to go to the hospital under the guidance of a doctor to deal with it urgently.