Most babies have cold hands and feet and hair fever caused by high fever, when high fever, poor peripheral circulation is easy to appear cold hands and feet, such as the above performance need to be timely temperature monitoring, if the body temperature > 39 ℃ can be timely application of antipyretic drugs. When the hands and feet are cold, you can use hand warmers at the end or adults rub their feet and hands with both hands to promote peripheral blood circulation, and you can also use hot water to soak your feet to promote blood circulation. In addition when the timely application of antipyretic drugs if the mental state is good, you can generally observe at home and pay attention to self-care can be. If the fever does not subside or the child’s mental state is depressed, you need to go to the hospital in time.