Baby fever according to the stage can be divided into: temperature rise period, high temperature period, temperature drop period. 1. Temperature rising period: there is often weakness, muscle pain, pale skin, chills or chills and other phenomena. At this time the child’s body temperature may appear to rise suddenly. This period can increase the baby’s water intake, oral antipyretic drugs, such as ibuprofen suspension, acetaminophen suspension drops and other measures. 2. High temperature period: At this time, the skin blood vessels are dilated, the skin temperature is higher than normal, and the skin color is often flushed red. The duration of this period varies depending on the cause of the disease, ranging from a few hours to more than a week. At this time should be appropriate to reduce clothing, with a towel soaked in warm water and wrung out to wipe the neck, armpits, thighs, and other heat, to reduce the discomfort caused by fever. If necessary, use antipyretic. 3. Decrease in body temperature: at this time, children often sweat a lot, and in severe cases, symptoms of dehydration can occur. The temperature drops, and the fever-reducing period lasts a few hours or a day and a night, or even a few days. At this time should ensure that the baby enough water, if necessary, rehydration, pay attention to the room temperature, timely change of clothing, monitor the body temperature. If your baby becomes pale, does not respond normally to the outside world, has shortness of breath, or is less active, you should go to the hospital as soon as possible. All of the above medications should be used under the guidance of a physician, avoid self-medication.