The three mechanisms are different between Ephedra, Ephedra, and Gui Zhi Jia Hou Pu and Apricot Soup.
No sweat and asthma, body cold, mainly with ephedra soup; if sweat, or no sweat, body without great heat and asthma, it is appropriate to use ephedra soup two solution. Gui Zhi Plus Houpu and Apricot Soup is composed of Gui Zhi Soup plus 2 flavors of Houpu and Almond. In addition to expelling phlegm and saliva, Huperzia can also relieve congestion; almonds have the effect of calming wheezing and suppressing cough. The addition of these two flavors to Gui Zhi Tang is for those who have a lot of phlegm and wheezing.