Children with fever if the body temperature does not exceed 38.5 degrees, can be taken to physical cooling, the correct method is to reduce the temperature of the environment in which the child is located, warm water bath, loosening the clothing, the use of antipyretic patches and so on. 1. Reduce the temperature of the environment in which the child is located: when the environment in which the child is located is too high, it is not conducive to the body’s heat dissipation, at this time, the use of air-conditioning or fans should be used to reduce the temperature of the environment, and to maintain indoor ventilation, in order to facilitate the dissipation of heat. 2. Warm water bath: use warm water to rub the child’s neck, armpits and groin and other large blood vessels through the place, through the evaporation of water to dissipate heat, or directly through warm water bath to dissipate heat. 3. Loosening clothes and covers: When children wear clothes or cover too much, the heat is not easy to be distributed, which will lead to the fever not to go away, at this time, the clothes should be loosened and covers should be loosened to facilitate the distribution of heat. 4. Use antipyretic patches: put antipyretic patches on the side of the neck, armpits and groin and other large blood vessels through the place, through the antipyretic patches to absorb heat to reduce fever. Children with fever should not use alcohol to scrub the body to reduce fever, it will often aggravate the child’s discomfort. When a child has a recurring fever, he should go to the hospital in time to identify the cause of the disease and carry out the treatment of the cause.