When a child has a high fever, after taking fever-reducing medication, it is also necessary to use physical cooling methods to assist in reducing the fever, soaking in a warm bath is the most commonly used and safe method. Bath time to not more than 10 minutes is appropriate, if the bath time is too long, the child will increase the loss of water, easy to lead to dehydration. In addition, it is also easy to lead to localized cold, aggravating the symptoms of the original disease. The temperature of the environment should not be too low, as new infections can occur when the child’s resistance drops. In addition to the bath should be used in addition to other physical cooling methods, such as paste cooling patch, drink more warm water, wear more loose, cotton clothes, etc. are conducive to sweating, heat, fever.