Usage: Internal use in decoction, or in pills and powder. Externally, it is used as a poultice. The dosage is 6-15g (15-30g of fresh product). Bai Tuong Weng has a bitter taste and is cold in nature. It belongs to the stomach and large intestine meridians. It has the effects of clearing heat and removing toxins (removing heat and toxins from the body), cooling the blood and stopping dysentery (clearing heat and cooling the blood, eliminating dysentery, etc.). It is clinically applied to dysentery caused by heat and poison (dysentery caused by feeling heat and poison and seeing blood in the stool), itching of the vagina and other diseases. Bitter can be excreted, cold can remove heat and cool the blood, so the white head can clear heat and detoxification, cool the blood and stop dysentery. It can also be used to treat peptic ulcer, neurodermatitis and functional uterine bleeding. The use of Bai Tou Weng is to be taken internally in decoction, or in pills and powder. Externally: pounding and compressing. The dosage is 6-15g (fresh 15-30g). Clinical application of Bai Tu Weng should pay attention to the deficiency of cold diarrhea and dysentery should not be served, the specific dosage of Bai Tu Weng should be adjusted according to the specific circumstances, need to follow the doctor’s instructions to take medication, do not use on their own.