Compared with Dachaihu Tang in Synopsis of Golden Chamber（ 金匮要略）

Dachaihu Tang was only without Dahuang [Radix et Rhizoma Rhei

大黄]on the composition in Treatise on Febrile Diseases.The authors summarize the opinions and discussions of physicians of past generations on whether Dachaihu Tang includes Dahuang.By understanding the characteristic of syndrome and treatment of Dachaihu Tang in work of physicians of past generations

the authors conclude that adding Dahuang is used to treat excess of Yangming fu-viscera and constipation

dampness-heat amassing-steaming and sticky-stagnant stool

heat accumulation of stomach fu-viscera xuefen（ 血分）and abnormal state of mind

as well as hard

full and pain in epigastrium or rib by abdomen examination

etc.The main effect of Dachaihu Tang without Dahuang is reconciling Shaoyang

as well as conveying and dispersing liver and gallbladder.The indicating syndromes are diseases owing to liver and gallbladder stagnation and dysfunction of the pivot.