The question should ask about the use of Yunnan Baiyao aerosol, which is usually in a red bottle first, followed by a white bottle. The red bottle of Yunnan Baiyao Aerosol is the insurance liquid, which has the effect of rapid analgesia; the white bottle is Yunnan Baiyao Aerosol. Yunnan Baiyao Aerosol is a national confidential formula, which has the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), subduing swelling and relieving pain (eliminating swelling and pain), and it can be used for bruises, bruises, swelling and pain, rheumatism pain and so on. Clinical use of Yunnan Baiyao aerosol mostly first use the red bottle (insurance liquid), in order to quickly relieve pain, if the pain is not relieved after a few minutes, you can then spray the white bottle of aerosol, in order to anti-inflammatory, swelling and pain relief. Open wounds, however, should not be used with this drug, and it should not be sprayed close to the skin for a long time when used. Post-marketing adverse reaction monitoring data show that a very small number of patients develop allergic drug rash after using the drug, which is clinically manifested by rash, itching and skin flushing. Pregnant women are prohibited; alcohol allergy is prohibited; the product is prohibited for allergy; skin and mucous membrane ulceration, pus is prohibited; prohibit internal use. It is recommended that if necessary, please consult and use this product under the guidance of a professional physician.