This paper summarized Professor ZHOU Zhongying's experience in differentiating and treating hepatitis and liver cirrhosis from deficiency and excess. It is considered that the pathogenesis of hepatitis and liver cirrhosis belongs to deficiency in root and excess in branch， with depletion of liver， spleen and kidney as the root， and constraint and bind of damp-heat and stasis toxin as the branch. Moreover， mutual cause and promotion between deficiency and excess leads to the disease. For general principle of treatment， it is recommended to clear and transform pathogenic excess， supplement deficiency and rectify the healthy

qi

. In the early stage of hepatitis and cirrhosis， excess pathogen hyperactivity is the main manifestation， which can be treated by clearing and transforming damp-heat and stasis toxin， supplemented by regulating spleen and stomach， with modified

Yinchenhao Decoction

（茵陈蒿汤） and

Biejiajian Pill

（鳖甲煎丸）. In the middle and late stages， cases with deficiency-excess complex were more common， which should be treated by clearing damp-heat and stasis toxin， regulating and supplementing liver-spleen-kidney， using medicinals with the function of clearing heat and dispelling damp， dissolving stasis and resolving toxins to treat the branch. Moreover，

Liujunzi Decoction

（六君子汤），

Yiguan Decoction

（一贯煎）plus

Erzhi Pill

（二至丸） and

Buzhong Yiqi Decoction

（补中益气汤） modifications are suggested respectively in correspondence to the different kinds of root deficiency including irregular liver and spleen， liver and kidney

yin

deficiency， and liver-spleen-kidney deficiency.