the kidney is the foundation of congenital and mainly stores essence. The functions and diseases related to the reproductive system are often related to the kidney, such as irregular menstruation, uterine deficiency and cold, impotence and so on. The kidney is “in the hair”. If the kidney is deficient, the hair is dry and lusterless, and it is easy to lose hair. The pupil belongs to the kidney, which is prone to dryness, myopia and aging. “The kidney opens the orifices in the ear”, and kidney deficiency leads to hearing loss. The Yellow Emperor’s Internal Classic says: “the kidney qi is connected to the ear, and the kidney and the ear can hear the five tones”. “The viscera of the kidney are at the waist”. Kidney deficiency leads to low back pain and weak legs. “The kidney connects the brain and governs the bone”. When the kidney is full of Qi, people have strong memory, sensitive thinking and strong body. Therefore, the function of kidney directly affects people’s quality of life and is closely related to all aspects of health. The “blowing” skill of the six character formula
can regulate kidney meridian and pericardial meridian, consolidate kidney qi, strengthen essence and supplement vitality. According to the five elements theory of traditional Chinese medicine, the kidney is the mother of the liver. The kidney is filled with water and the liver is woody. The sufficient kidney qi can also make the liver Qi abundant. Therefore, strengthening the kidney can also nourish the liver. Practice the word “blowing” skill, practice each word six times, and pay attention to the pronunciation, mouth shape and breathing method.