With the experience in treating acute pancreatitis of severe type(APST),acute cholangitis of severe type(ACST)and septic shock(SS)by integrated medicine (mainly by the method of urgent purgation with preservation of Yin)and by conventional western medicine therapy(as control) it was suggested that the prognosis of severe acute abdominal diseases could be seriously affected by the method of urgent purgation with preservation of Yin.As the common pathologic lesion of APST,ACST and SS is an enterogenic infecti...