Minor Center-Fortifying Decoction was first seen in

Treatise on Cold Damage and Miscellaneous Diseases

. Its basic function is to harmonize

ying

and

wei

levels and regulate yin and yang

which makes it suitable for deficiency of qi in the spleen and stomach

excess of wood restricting the soil and disharmony between the liver and stomach. The formula

which takes Yitang (Saccharum Granorum) as the chief medicinal

warms the center and supplements deficiency

reinforces and protects the middle

jiao

spleen and stomach. By doing so

it supplements both yin and yang

seeking yang within yin while seeking yin within yang

which is in line with the optimal way of supplementing and nourishing. Professor Zhang Zhiyuan

laureate of the title of National TCM Master

has a unique understanding of clinical idea of Zhang Zhongjing and the use of the decoction. Firstly

He added certain herbal ingredients to the original prescription as needed

which yielded extraordinary results. Secondly

the dosage of individual herbs used in the formula was adjusted according to the pattern of the patient. Thirdly

he also developed unique insights into the precautions of the drug. This study discusses the application of Minor Center-Fortifying Decoction in combination with clinical cases.