2. Open your fingers slightly, then buckle your fingers into a "Tiger Claw", grab your kneecaps, pull up your legs at the same time, close your knees to your chest, and follow your feet to the ground, stopping slightly.
3. Put your hands into palms, turn them inside out and press them down, and straighten your legs and put them flat.
4. When the palm rotates outward into a fingertip, the movement stops a little, and the heat of the palm is slowly transmitted to the depth of the knee.
5. After repeating 2~4 steps for 6 times, return to the posture of sitting up straight and let the whole body relax.
6. In the whole process, when inhaling, the teeth should be lightly buckled, and the tip of the tongue should be pressed against the inner side of the upper incisors to make a hissing sound, which can improve the true qi very well; When exhaling, the mouth is slightly open, the tongue is flat, and a hey (heι) sound is made to sink the true qi.