Achilles tendonitis can be treated with Yunnan Baiyao spray, which is more effective with anti-inflammatory and analgesic drugs such as etoricoxib and ibuprofen. Achilles tendonitis is a kind of inflammation caused by long-term strain, improper exercise and many other reasons, which is manifested as pain, soreness and swelling sensation and pressure pain above the foot. Yunnan Baiyao Aerosol, as a blood-activating and swelling-reducing drug, can be used for bruising and swelling muscle pain and rheumatic pain caused by bruises and injuries. It should be noted that Yunnan Baiyao aerosol is prohibited in pregnancy, alcohol allergy, skin broken pus crowd, the drug ingredients allergy can not be used. Yunnan Baiyao Aerosol should be shaken well and sprayed on the damaged area for 3-5 seconds, remember that it should not be taken orally. During the use of the drug may lead to allergies, causing rashes, itching, etc. The appearance of these symptoms requires immediate cessation of use and cleaning of the area covered by the liquid. Yunnan Baiyao Spray can only be used to relieve local muscle pain, can not treat the root cause of Achilles tendonitis, it is recommended to go to a professional hospital, under the guidance of the doctor reasonable use of medication.