Herba eupatorii is an Asian herbal species mainly used in the production of essential oil. However, it is commonly used in Japan and China as a medicinal plant.

In CTM, Eupatorium fortunei (or Pei lan in chinese) is recommended for cold snaps. It transforms Dampness by getting rid of Mucosities it has generated in the body. Pei lan soothes disorders such as nausea, loss of Appetite or gastric disconforts and it detoxifies human body to regain well-being.