This paper introduced Prof. KANG Liangshi’ s experience in treating severe hepatitis. Prof. KANG holds that epidemic toxin invagination is the main pathogenesis of severe hepatitis. In treatment

he emphasizes prevention before disease and early treatment to prevent deterioration. He takes steps of "two emphasis"and "three betimes"

including emphasizing clearing away internal-heat and eliminating pathogenic factors to let pathogenic heat get out; emphasizes promoting the body resistance and eliminating pathogenic factors to cut off the vicious circle of deficiency of genuine Qi and excess of pathogenic factors. As soon as possible he uses cooling blood

rescuing Yin

clearing away heat and detoxification betimes; combining inducing resuscitation heavily and continuously betimes

combining removing blood stasis and water

in order to delay rapid development of disease and prevent reverse syndromes of coma

tympanites

etc.