Colds are usually caused by changes in weather, cold and wind, and acute upper respiratory tract infections. During a cold, the body temperature rises and becomes hot, which causes the blood vessels in the skin of the hands and feet to dilate and the blood flow rate to increase, so that the heart of the hands and feet become hot. This situation needs to be actively treated to reduce fever, you can take compound aminophenalkylamine tablets or Xiao Chai Hu granules for the treatment of cold and fever. Soak your feet with hot water more often to promote blood circulation and eliminate the cold in your body. In addition, scrub the back, armpits and thighs with alcohol, or apply ice towels to the forehead, palms and feet to lower the body temperature. During the fever period, you must pay attention to try not to overexert yourself and do not go outdoors to avoid repeated exposure to cold.