In the cold winter, rubbing your hands often is good for your health. Very simple method, there are many important acupoints on people's hands, such as Laogong, Dayujin, Hegu and so on. Rubbing the palm of your hand can fully stimulate the Laogong point located in the palm of your hand and make your heart gradually excited; Frequently stimulating the thenar point located at the root of the thumb of both hands can dredge the meridians, enhance the function of respiratory system and prevent colds.