White foxglove root is a cooling and hemostatic herb, characterized by its sweet and cold properties, and is classified as a member of the lung, stomach and bladder meridians. It is used clinically to treat the following diseases: 1. Blood-heat bleeding. It can cool the blood and stop bleeding by clearing the heat of the blood, and can be used to treat a variety of blood heat, and because it is cold and descending in nature and enters the bladder meridian, it can clear heat and diuresis, so it is especially suitable for the evidence of blood in urine and blood gushing caused by damp heat in the bladder; 2, treatment of edema, hot gush and jaundice. It can clear heat and diuresis to reduce edema, diuresis and dampness, so it is often used clinically to treat jaundice caused by dampness and heat; 3. There are also people who are not suitable for this medicine: 1, the medicinal properties of Bupleurum are cold, so it is contraindicated for those who have cold spleen and stomach and blood without heat, that is to say, cold bleeding is not suitable for Bupleurum; 2, women are not suitable for Bupleurum during menstruation, to prevent stopping bleeding and leaving stasis, resulting in dysmenorrhea or menstrual bleeding; 3, cooling and stopping bleeding medicine is easy to cool and curb evil, and has the disadvantage of stopping bleeding and leaving stasis, so Bupleurum is not suitable for those who have bleeding and It is not suitable for those who have bleeding and stasis.