Green Mullein is a Chinese medicine, has the effect of calming the liver and relieving pain, detoxification and swelling, commonly used in the treatment of chest and abdominal distension, dizziness and headache, carbuncle boils, snake bites and so on. Used for foot bath, can play the medicinal effect is limited, can not replace the medication to treat the disease. The green wood is the dried root of Aristolochiaceae plant. The flavor is pungent, bitter, cold, with a small poison. Into the lung meridian, stomach meridian, liver meridian. Green woodruff can be used internally and externally, but should be used under the guidance of a physician. The cold nature of Qingmuxiang, spleen and stomach cold, loose stools (feces thin not shaped) diarrhea should be used with caution. The adverse effects of Qingmuxiang are not known. People with a history of allergy to Qingmu Xiang should not use Qingmu Xiang foot soak. If necessary, please use under the guidance of a professional Chinese medicine practitioner.