Yunnan Baiyao belongs to the category of proprietary Chinese medicines, and is mainly used for the treatment of bruises, blood stasis, swelling and pain, bleeding caused by various reasons, sores, swelling and poison and soft tissue contusion, closed fractures, as well as skin infectious diseases. Yunnan Baiyao has the efficacy of resolving blood stasis and stopping bleeding, activating blood circulation and relieving pain (relieving pain by removing blood stasis), detoxifying and subduing swelling, and is mainly used for treating bruises and injuries, blood stasis and swelling pain, sores and swelling and poison and soft tissue contusion, closed fractures, and skin infectious diseases. It can also be used to treat bleeding caused by various reasons, such as vomiting blood, bleeding under the leakage (excessive menstrual flow or dripping), surgical bleeding, bronchial dilatation and tuberculosis coughing up blood, bleeding from ulcerative diseases, and so on. Adverse reactions to this drug are relatively rare, a very small number of patients after taking the drug will appear chest tightness, panic, abdominal pain, generalized itching, urticaria and other allergic symptoms. If allergic reaction occurs, the drug should be stopped immediately, and medical treatment should be sought if the symptoms are serious. Pregnant women should be avoided, athletes, allergies and patients with a history of drug allergy should be used with caution. If you need to use Yunnan Baiyao, please follow the doctor’s instructions, not self-medication.