The main effects of toon bark, i.e. Tsubaki Bai Pi, boiled in water include clearing heat and drying dampness (removing heat and drying dampness), stopping bleeding and stopping leucorrhea. It should be noted that the effect of boiling water with a single herb is limited, so please use it under the guidance of a doctor. Tsubaki Bai Pi is the dried bark or root bark of the plant Tsubaki. According to traditional Chinese medicine, Tsubaki Bai Pi is bitter and slightly cold in taste, and belongs to the stomach and large intestine meridian, which has the efficacy of clearing heat and drying dampness, stopping bleeding, stopping the bandhage, killing worms, astringent intestines, etc. It is effective for diarrhea, dysentery, intestinal winds, blood in the stools, disintegration (excessive menstrual flow or more than a drip), subluxation of the bandhage, and roundworm infestation, and other diseases. Generally speaking, the white bark of Tsubaki can be boiled and taken, or boiled and applied externally to the affected area. It should be noted that, diarrhea at the beginning of dysentery and the spleen and stomach cold (spleen and stomach weakness cold) of the crowd is not suitable for the use of tsubaki white skin, and tsubaki white skin in the medicinal use, need to follow the doctor’s advice to use.