The study on the syndrome of Sosihotang's alternate chills and fever in Sang Han Lun

Objectives : Sosihotang is a typical prescription in Sang Han Lun. And the alternate chills and fever is a Sosihotang's typical symptom. Therefore I will study of how the syndrome of Sosihotang's alternate chills and fever caused. Methods : Examine the claims of the syndrome of Sosihotang's alternate chills and fever in Sang Han Lun. The scholar's claims are not all same. Thus, I analysis the claims of many scholars. Results : The syndrome of Sosihotang has two mechanisms. The move of defensive Gi(衛氣) can explain the occurrence of alternate chills and fever. If the defense Gi enter inside the body, it struggle with pathogenic Gi, the fever is occurred. On the contrary to this, if the defense Gi exits the body the chills occurs because of the lack of defense Gi. Conclusions : The syndrome of Sosihotang could be taken ill by tranmission or direct attack of exogenous pathogenic factors(直中). Symptoms chills and fever occurs due to the entrance and exit of defensive Gi.