For children with fever, if you want to cool them by physical means, you can use the following methods: 1. You can use a clean towel, soaked in warm water at about 27°C, and wipe the child’s forehead, neck, arms, front chest, back and other locations, especially the child’s elbow fossa, armpit and groin and other locations of large blood vessels, you can repeatedly wipe, in the process of evaporation of water will The process of evaporation of water will take away part of the child’s body heat, which can make the child’s body temperature drop and play a role in physical cooling. 2, you can let the child drink more water, which can help increase the blood circulation in the child’s body, promote metabolism, and help heat dissipation, and drink more water can also increase the child’s urine volume, so that the child’s body heat through the urine discharge, thus playing a role in physical cooling.