White fescue root is the rhizome of the perennial herb white fescue of the grass family. It is produced in most parts of China. It is sweet in taste, cold in nature and belongs to the lung, stomach and bladder meridians. It is effective in cooling the blood and stopping bleeding, clearing heat and promoting diuresis. It mainly treats bleeding evidence of blood-heat delusion. It can cool the blood and stop bleeding by clearing heat from the lung, stomach and bladder, and is used for febrile drenching and edema. It can also treat warm-heat and thirst, stomach heat and vomiting of blood, lung-heat cough and damp-heat jaundice. Modern pharmacological studies have shown that Bupleurum can shorten bleeding time and clotting time and reduce vascular permeability. The use of white foxglove root is decoction, the fresh product is better, can be pounded juice to take, more raw, hemostatic can also be fried charcoal use. In addition, white foxglove root is used as a tea substitute for epistaxis, gum bleeding, blood in urine, blood in stool, blood in vomiting, and bleeding under the skin. However, it is contraindicated for people with cold spleen and stomach, excessive urination without thirst, and prohibited for pregnant women. Therefore, it should be used under the guidance of a doctor’s discernment and should not be taken on its own.