To determine the hot and cold of a newborn baby can be observed from the following aspects. First, you can observe the color of the newborn’s face, if the newborn is very cold, the face is white, if the body is very hot, it will lead to a red face. Second, you can feel the newborn’s hands and feet, if the body feels very cold will lead to cold hands and feet. If the newborn feels hot will lead to very warm hands and feet, and the palms will sweat, you can also touch the back of the newborn. If the newborn baby is afraid of cold later, often the back is relatively dry no sweat, if the newborn baby fever later will lead to very irritable, as well as the back sweat more, to reduce the amount of clothing in a timely manner.