Fritillary, an alias of Fritillary, has the efficacy of clearing heat and removing toxins (removing heat and toxicity from the body), eliminating carbuncle and pus (eliminating carbuncle and pus), diuretic and diaphoretic (improving the problem of dribbling and urination, and the problem of small amount of urination and inability to pass), and is mainly used in treating lung carbuncle with vomiting of pus, phlegm-heat, coughing and fever, and heat drenching (burning and stabbing pain is obvious during urination with urinary frequency and urgency, and discomfort of pulling in the abdomen) and other illnesses. Fishweed is good at clearing heat from the lung meridian, detoxifying heat and discharging carbuncle pus. Treatment of carbuncle, hemoptysis, often with rehmannia, platycodon, coix seed, etc., can enhance the drainage of pus and eliminate carbuncle clearing the efficacy of lung heat; if the treatment of phlegm-heat coughing and asthma with Beimu, Zhimu, Sangbai Pi helps to clear the lungs and resolve phlegm (to remove lung heat and resolve phlegm evil). Fishweed can clear lung heat and relieve bladder dampness and heat, so it is also commonly used in the treatment of damp-heat gonorrhea, urinary redness and astringent pain (urination with heat, unobstructed and painful), etc. At the same time, with Hai Jinsha, Psyllium Hedgerow, and Bupleurum, etc., it can enhance its diuretic and gonorrheal efficacy. Fishwort is cold in nature, and also has therapeutic effect on hot diarrhea. Used alone or in combination with cypress, yellow dock, and bai tau weng to clear intestinal heat, while Fishwort also clears dampness-heat in the large intestine (the large intestine feels the dampness-heat evil) and treats swollen and painful hemorrhoids. It is contraindicated for cold deficiency and yin sores. Fishweed should be taken under the guidance of a traditional Chinese medicine practitioner, not blindly self-medication, so as not to avoid misunderstanding the condition.