Three kinds of people should not take Yunnan Baiyao is not true, this statement is not accurate. Pregnant women, allergies, patients with a history of drug allergies and normal people without indications should not take Yunnan Baiyao. Yunnan Baiyao is a proprietary Chinese medicine that can dissolve blood stasis to stop bleeding, activate blood circulation to relieve pain (by removing blood stasis to relieve pain), detoxify and reduce swelling, and is used for bruises, blood stasis and swelling pain, vomiting blood, coughing blood, blood in stools, hemorrhoidal blood, bleeding from leakage (excessive menstruation or more than a few drops of blood), bleeding from surgeries, sores, swellings and poison and soft tissue contusions, closed fractures, bleeding from ulcerative diseases, as well as infectious diseases of the skin, and so on. Adverse reactions to Yunnan Baiyao include occasional symptoms such as chest tightness, panic, vomiting, and urticaria. Chinese medicines or proprietary Chinese medicines need to be used under the guidance of a Chinese doctor to identify the symptoms, and individuals should not use them blindly to avoid adverse consequences.