"Breathing lift" obviously means that the air is lifted immediately at the beginning of inhalation, which is beneficial to the handover and mixing of air inside and outside the abdomen;
"Moving qi to navel" refers to the clear qi inhaled from the top and the internal qi lifted from the bottom, which converge on the abdomen and navel at the same time.
"Swallow as soon as you lift it" means that after exhaling, the rising internal qi quickly swallows into the abdomen and navel together with the oral cavity and body fluids.
"The intersection of fire and water" emphasizes that after exhaling, the body fluid will be relieved, and the water will strengthen the kidney, so as to promote the intersection of the heart and kidney, and the fire and water will ji ji.
The method of abdominal breathing is very simple. The formula is: "Lift the anus to close the breath, breathe through the nose and mouth, take a deep breath and breathe slowly". Whether standing, sitting or lying down, everyone can do it for a moment. Huangdi Neijing records: "Lift heaven and earth, grasp yin and yang, breathe essence, and keep god independently".