Yunnan Baiyao Capsule is taken after meals. Yunnan Baiyao Capsule consists of Cao Wu and other ingredients (the exact composition is unknown), which has the efficacy of resolving blood stasis and stopping bleeding, activating blood circulation and relieving pain (relieving pain by removing blood stasis), and detoxifying and subduing swelling. It is usually used for treating blood stasis and swelling, bruises, hematochezia, coughing up blood from tuberculosis, bleeding from ulcer diseases, as well as sores, swelling and poison, and closed fractures. Its ingredients contain grass crow, to the stomach and intestines have a certain degree of irritation, so it is recommended to take after meals. Yunnan Baiyao capsule very few patients after taking the drug led to allergic rashes, chest tightness, panic, abdominal pain, nausea, vomiting, generalized itching, hives on the trunk and limbs and other parts of the body and other adverse reactions. It is contraindicated in pregnant women, and should be used with caution in allergic individuals and those with a history of drug allergy. Consult a physician before use and use the drug under the guidance of a physician to avoid unknown effects on the body.