Children with fever body heat cold feet, generally is the child’s fever when the body temperature is in the rising period of performance. At this time, parents can use 40-42 degrees Celsius warm water to give children bubble feet, expand the capillaries of the body’s limbs, accelerate the body’s blood circulation, both to improve the symptoms of cold feet, so that children feel more comfortable, but also because of the accelerated blood circulation, facilitate the body’s heat dissipation, helping children to reduce body temperature. At the same time, you should also give your child a small amount of warm water to replenish body water, which helps sweat and lower the child’s body temperature. Parents should also monitor their child’s body temperature and keep a record of it so that they can observe changes in body temperature. If you find that the temperature exceeds 38.5℃, you should give your child oral antipyretic drugs to lower the temperature, such as acetaminophen or ibuprofen, which have a good cooling effect and are safer, and it is recommended that parents consult their pediatrician before giving them to their child, and take the dosage as prescribed by the doctor.