Yellow Medicine Membrane, or the Chinese herb Descending Fragrance, is used to relieve pain, stop bleeding and remove blood stasis, and regulate qi. Descending Fragrance, is a kind of medication that activates blood circulation and relieves pain (relieves pain by removing blood stasis). It is pungent and warm in nature and is attributed to the liver and spleen meridians. It can not only be decocted and taken orally, but can also be processed into powder for external use. This product is pungent, dispersing and warm, and can eliminate stasis, move blood and stop bleeding. It is suitable for stagnant bleeding, especially for internal and external bleeding caused by bruises and injuries. This product is pungent, can eliminate blood stasis and regulate qi to relieve pain (relieve pain by unblocking qi), and can be used to treat pain in the chest and abdomen due to blood stasis and qi stagnation, as well as pain due to bruises and swelling. This product is pungent, warm and aromatic, and can lower qi and dispel obscenity, and can be used for vomiting and abdominal pain caused by internal obstruction of the spleen and stomach by obscenity. Although Huangyao Membrane has some medicinal value, it is not applicable to blood-heat hemorrhagic syndrome, forbidden for pregnant women, and should not be taken in excess, please use the drug under the guidance of a physician.