If the child does not have a history of febrile convulsions or the child’s parents do not have a history of febrile convulsions, physical therapy is done below 38.5 degrees. i. If the fever is to be reduced, it is usually convective, that is, the wind has to blow. Second, conduction, if there is heat to conduct it out; third, radiation out; fourth, evaporation, it is recommended that the best way is evaporation. Specific operation: children with small size will be soaked inside the bath tub, the temperature is the temperature of the bath, the temperature of the arms and legs will increase, the core temperature will be reduced, the neck, armpits, groin temperature is the fever when the large arteries pass through the place, the temperature once the temperature is reduced, the temperature will come down.