Yunnan Baiyao Spray is considered to be Yunnan Baiyao Aerosol and costs around $30 to $90. Yunnan Baiyao Aerosol is a proprietary Chinese medicine, which has the efficacy of activating blood circulation and dissipating blood stasis (promoting blood circulation and eliminating blood stasis in the body), and reducing swelling and relieving pain (eliminating swelling and pain). It can be purchased in hospitals and pharmacies, and the price is around 30~90 yuan, depending on the level of hospitals, local prices and other factors. The drug is mainly used for bruises, bruises and swelling, muscle aches and pains and rheumatic pains. A very small number of patients will appear after using the drug rash, generalized itching, hives on the trunk and limbs and other symptoms. The drug is contraindicated in pregnant women and in patients who are allergic to Yunnan Baiyao. Can only be used externally, can not be sprayed into the mouth, eyes, nasal cavity and other mucous membrane parts. If you need to use the drug need to first find a doctor to check, under the guidance of the doctor to use, to avoid their own blind abuse of drugs.