Phoenix Wort, also known as Fenghuang Cao Cao, is effective in clearing heat and removing dampness (removing heat and dampness from the body), cooling the blood and detoxifying the toxin (referring to the treatment of blood-heat and toxin impregnation), and can be used for sore throats, blood in the urine, blood in the stools, dysentery, diarrhea, and so on. Fengyao Cao has bitter and cold medicinal properties, and enters the bladder meridian and large intestine meridian. Clinically, it is often used to treat heat toxicity, damp-heat dysentery (dysentery caused by damp-heat evil), diarrhea, etc., or blood-heat caused by blood in the urine, blood in the stool, bleeding hemorrhoids. It should be noted that Fengyao Cao is contraindicated in pregnant women, menstruating women, and people with deficiency cold dysentery; avoid eating spicy, stimulating, cold and greasy products during the period of taking the medicine. Patients with the above discomfort, please consult a doctor immediately, under the guidance of the doctor’s diagnosis and rational use of medication, do not blindly use their own medication, so as not to cause adverse consequences.