Yunnan Baiyao Aerosol Spray is sprayed directly on the injured area, 3 to 5 times a day. For closed bruises, spray Yunnan Baiyao Aerosol Insurance Liquid first, and then spray Yunnan Baiyao Aerosol after an interval of 3 minutes. It should not be used more than 3 times a day. When using Yunnan Baiyao Aerosol Safety Liquid, first shake, the nozzle is 5-10 centimeters away from the skin, and the spraying time should be limited to 3-5 seconds. 1. Yunnan Baiyao Aerosol Indications: It can be used for bruises, stasis and swelling, muscle pain and rheumatic pain. 2. Contraindications: It can not be used by those who are allergic to this product, pregnant women can not use it, and it is not suitable for localized skin ulcers. Children, the elderly and the infirm should be used under the guidance of a physician. Allergic persons should be cautious. 3. Adverse reactions: a very small number of patients with allergic rashes, clinical manifestations of rash, itching, skin flushing, etc., once these adverse reactions, should stop and consult a doctor. Yunnan Baiyao Spray is best used under medical supervision to avoid aggravating the condition.