1.Tilt your head and inhale: sitting, sitting, standing, preferably in a yoga plank, tucking your abdomen and inhaling, while lifting your shoulder blades up and clamping them back, bending your spine back, and sucking the air in enough. Apply nasal inhalation in a measured manner and gradually. Initial practice period, tilt the head should not be too much, the amount of inhalation can not be too much, to prevent dizziness phenomenon. China 2, hold the breath: after inhalation, pause the action, this is excessive luck state, air no longer in and out. Breath holding time should not be too long, otherwise you will also be dizzy. 3, head is sinking gas: under the premise of no air leakage from the mouth and nose, shoulder blades are lifted up, forward and down, while the shoulders are loosened and waist is collapsed, and a large amount of gas is sucked in that naturally sinks into the Dantian. When you sink your breath, you must relax your body and mind in order to achieve a good loose shoulder and collapse your waist, and slowly sink your breath into the Dantian in a relaxed and natural way. 4.Hold your breath: suspend your breathing state after sinking into the Dantian. 5.Exhale and hold the breath: when the efficacy is just right, slowly exhale the inhaled air, or exhale it with a light “ah” sound.