Ten-year-olds can usually use Yunnan Baiyao Aerosol under the guidance of a doctor if there are no contraindications. The main ingredients of Yunnan Baiyao aerosol belong to the national secret formula, its efficacy has blood circulation and dissipate blood stasis, reduce swelling and relieve pain, etc. It can be used for bruises, blood stasis and swelling pain, muscle aches and pains and rheumatism. Ten-year-old children can generally use Yunnan Baiyao aerosol. Yunnan Baiyao aerosol belongs to the external medicine, can not be taken internally. In addition to alcohol allergy or allergic to the drug is prohibited; if the skin and mucous membranes have broken or pus, should also be prohibited from use. It should be noted that when using Yunnan Baiyao aerosol, insurance liquid, first shaking, the nozzle away from the skin 5~10 cm, spray time should be limited to 3~5 seconds to prevent local frostbite. Specific use should be carried out under the guidance of a doctor, not blindly self-medication.