Yunnan Baiyao is used to treat bruises, the time needed for healing varies from person to person, and the severity of the patient’s condition has a relationship with the patient, mild patients more than 3~5 days of time to heal, while the damage is serious patients more than 1~2 weeks of time, or even longer. Bruising refers to the role of external forces leading to the patient’s soft tissue injuries, mild strains, contusions, localized more than the presence of mild swelling and mild pain, there is no obvious tendons, ligaments and other soft tissues of the obvious tear or larger hematoma formation, the use of Yunnan Baiyao treatment more than 3 to 5 days after recovery. And patients with serious injuries, more than 1~2 weeks, or even longer. The main effects of Yunnan Baiyao are to dissolve blood stasis and stop bleeding, activate blood circulation and relieve pain (by removing blood stasis to relieve pain), and detoxify and reduce swelling. Adverse reactions are common in allergic reactions such as rash and itching as well as adverse reactions such as chest tightness, panic, abdominal pain, nausea and vomiting. It is contraindicated in pregnant women. It should be noted that within one day of taking the medicine, avoid eating fava beans, fish and cold and sour food, athletes should be cautious, and stop using it in time if allergic reactions occur during use. Yunnan Baiyao treatment of bruises how long can be good, and the patient’s condition, it is recommended that the patient to improve the auxiliary examination, clear the severity of the injury, the drug needs to be used under the guidance of a professional physician.