Through the analysis of the original meanings of "deficiency"

"damage" and "decline"

this paper sort out the syndromes and treatment methods of "deficiency"（虚）

"damage"（损） and "decline"（衰）. "Deficiency" is the meaning of weakness and insuficiency. The treatment of deficiency syndrome should clearly differentiate qi

blood

yin

yang

zang-fu organs

and mainly with supplementing method. "Damage" is the meaning of reduction and damage. "Deficiency developt to damage" is a gradual evolutionary pathological process of the formation of deficiency and damage disorder. There must be injury of zang-fu organs and tissue in the "damage". It should be treated with the methods of "benefiting"

"regulating" and "relaxing"

which is different from the simple supplement. "Decline" is the meaning of weak and senescence

and deficiency decline is more serious than deficiency

which can further develop into depletion and collapse syndrome with pathogen rising and vital qi falling. In addition

the occurrence of senile diseases is often related to aging. Anti-aging is mainly to invigorate the five zang-organs

focusing on nourishing the kidney

and resolving phlegm and removing stasis.