Infancy is a period of vigorous growth and development of children, the function of the systems has not yet been perfected, the thermoregulatory function is also so. Children with hot feet pay attention to whether the insulation is excessive, such as too much clothing, too thick quilt cover, high indoor environmental temperature factors caused by the palms and feet fever, this situation family members should promptly give the baby appropriate reduction of clothing, to ensure adequate feeding, to prevent dehydration. Attention should also be paid to the situation caused by increased body temperature and fever, because fever can cause the child’s body fever, the baby’s body temperature should be measured, and the increased body temperature should be promptly consulted to avoid delaying the condition. If the infant has symptoms such as fever in the hands and feet for a long time, it may also be caused by deficiency of cold in the spleen and stomach or gastrointestinal dysfunction. Other causes are not excluded with the child’s low immunity and lack of vitamins and trace elements in the body, and the child should be actively taken to the hospital for trace element examination.