Shengyang Yiwei Decoction

created by Li Dongyuan (a famous TCM physician from Jin-yuan Dynasty of China) and recorded in

Clarifying Doubts about Damage from Internal and External Causes

has been widely used in the clinical practice. The characteristics of this prescription reflects Li Dongyuan’s ideas of tonifying the spleen and stomach

lifting yang qi

and purging yin fire in the treatment of spleen and stomach diseases. Prof.Yang Shuyu thinks the spleen-stomach impairment is prevalent among modern people and this disease is closely related with the life-style of "suppress

spill-over

lack of exercises" . The pathogenesis for this disease is weakness in the Middle Energizer and disorder of qi movements. In clinical practice

Prof.Yang uses Shengyang Yiwei Decoction to regulate yin and yang

and qi movements

upbear the clear and downbear the turbid to treat sloppy stools

and treat night sweats

with his own characteristics of disease differentiation. Combined with clinical cases

this paper introdces Prof.Yang Shuyu’s clinical experience in using Shengyang Yiwei Decoction.