Children can use Yunnan Baiyao Aerosol or Safflower Oil for sprains. Yunnan Baiyao Aerosol works to invigorate blood circulation and dissipate blood stasis, reduce swelling and relieve pain, and also has the function and effect of stopping bleeding and healing wounds. The application of Yunnan Baiyao Aerosol can be used according to the condition of the injury, and the instructions should be read carefully. The efficacy of safflower oil are to activate blood circulation and pain relief, wind dispersal of cold, mostly used for sprains and swellings in joints, mainly play a role in the passage of meridians and collaterals, usually on the sprained parts of the massage. Sprains are recommended to consult a doctor in a timely manner, under the guidance of a professional doctor to use the drug. Cold compresses are recommended within 72 hours after the injury to limit inflammation and prevent swelling from spreading, while hot compresses are recommended after 72 hours to speed up blood circulation and promote the dissipation of localized swelling. If the sprain is serious, you should consult a doctor for professional treatment.