Rush herb should not be drunk for a long time. It is not suitable for long-term application because it is a medicine for diuresis and dampness, which will adversely affect the kidneys. It is cold in nature and its long-term application can damage the spleen and stomach, causing indigestion, diarrhea, nausea, vomiting and gastritis in patients. It is often used in Miao medicine to clear heat and detoxify the body, remove dampness, invigorate blood circulation, disperse blood stasis and reduce swelling. In the process of application, it is best to proceed under the guidance of a doctor, and is very effective in treating excessive dampness in the human body, jaundice caused by cholecystitis and gallstones, and edema in the body, especially in women who suffer from collapse and dysbiosis, which is also the direction of its treatment.