The fact that a child does not sweat during a fever indicates that the temperature is likely to rise, which is a bad sign. In general, children in the early stages of fever, especially the body temperature rise early is not sweat, sweating is the body temperature drop performance. Sweating is a sign that the body temperature is dropping. Sweating can evaporate and dissipate heat, carry away body heat, lower the body surface temperature, and make the body temperature drop. For children with fever but body temperature <38.5 ℃ can use warm water on the child's forehead, reduce the wearing of clothing and other physical methods of cooling, encourage children to drink more water, some children's body temperature can gradually decline; for children with body temperature ≥38.5 ℃ need to use antipyretic drugs such as ibuprofen, acetaminophen and other antipyretic treatments under the guidance of a doctor. In general, children in the fever of temperature rise is not sweating, and sweating is often a sign of increased heat dissipation, body temperature decline.