Ruolan is the alias of the traditional Chinese medicine Baihe, taste bitter, sweet, astringent, slightly cold, to the lungs, liver, stomach meridian, with astringent hemostasis (with astringent drugs to treat bleeding disorders), swelling and muscle effects. This product is astringent and viscous, and is an important medicine for astringency and stopping bleeding, which can treat hemoptysis, vomiting blood, traumatic bleeding and other internal and external bleeding (non-physiological bleeding disorders). This product is cold and bitter, can drain congestion in the blood; astringent and sticky, can astringent sores and promote muscle growth (to help sores heal faster and promote the growth of new flesh), and is commonly used for external ulcers to reduce swelling and promote muscle growth. The adverse effects of this drug are not clear, and it should not be used with Chuanwu, Prepared Chuanwu, Caowu, Prepared Caowu, and Psoralea. If there is a need for medication, it is recommended to use it under the guidance of a professional physician, and not blindly self-medication.