Yunnan Baiyao does not have the effect of preventing tetanus. Yunnan Baiyao has the effect of removing blood stasis and stopping bleeding, activating blood circulation and relieving pain (relieving pain by removing blood stasis), detoxifying and subduing swelling, etc. It is mostly used in the treatment of bruising and swelling, coughing up blood, blood in stools, surgical bleeding, sores and poisons, and is also used in the treatment of contusion, bronchodilatation, coughing up blood in pulmonary tuberculosis, bleeding from ulcers, and infectious diseases of the skin, and it has no effect on the treatment of tetanus. A very small number of patients in the use of Yunnan Baiyao, will lead to allergic rashes, patients will appear panic, nausea and vomiting, trunk and limbs and other parts of the hives, pregnant women are prohibited from using, allergic and allergic history of patients with caution. It is recommended that patients under the guidance of a doctor, strictly follow the instructions of the doctor to use the drug, do not blindly use the drug or unauthorized changes in the dose of the drug, so as not to cause adverse effects on the body, triggering the emergence of other diseases.