1 Wipe the forehead with two fingers bent into an arch, and the inner side of the second knuckle is close to Tang Yin, and smear it from the forehead to both sides of the forehead for about 40 times. Rub your hands on the bath surface first. If the palm is too rough, apply a proper amount of skin cream. Then the palm of your hand clings to your forehead and rubs down to your chin, and you do it for about 10 times. 3 Press the back of the head with the rib surface of two thumbs, press the wind pool tightly, press and rub it hard for a few times, and then press and rub the back of the head for about 30 times to feel sore.