The six-character formula is: shush, heh, shout, moo, blow and joy, which can nourish people's "liver, heart, spleen, lung, kidney and triple energizer".

Six-character formula is a Taoist breathing regimen. Originated from Tao Hongjing's Nourishing and Prolonging Life Record, long-term breathing methods, such as hissing, oh, whistling, hissing, blowing, laughing, etc., affect the qi and blood circulation of zang-fu organs, meridians and collaterals. Conditioning the body, regulating the mind, integrating form and spirit, achieving the effects of strengthening the body, preventing and treating diseases and prolonging life.