Wutong bark in traditional Chinese medicine called “wutong white bark”, with the wind and dampness, blood circulation and menstruation effect, commonly used in the treatment of menstrual disorders, malignant sores, hemorrhoids and prolapse, rheumatism and paralysis, dengtoxin (acute infectious diseases, visible skin red like paint), bruises and other diseases. Wutong white skin belongs to the expectorant of wind-dampness medicine in the expectorant of wind-dampness and heat medicine, the family for the family of wutong plant wutong to remove the cork bark of the bark. Wutong white skin taste bitter, sweet, cool. Wutong white bark can be used internally and externally. Wutong white bark has the efficacy of removing wind and dampness, promoting blood circulation and menstruation, used for the treatment of menstrual disorders, malignant sores, hemorrhoids and prolapse, rheumatism and paralysis, dengtoxin, bruises and other diseases. The adverse reactions and contraindications of this drug are not clear, if needed, please use under the guidance of a professional Chinese medicine practitioner.