Yunnan Baiyao can be sprayed for bruises, because the main effect of Yunnan Baiyao is to activate blood circulation, eliminate blood stasis, reduce swelling and relieve pain, its main treatment scope is to treat bruises and swelling caused by bruises and muscle pain, which can alleviate pain and dissipate blood stasis. If using Yunnan Baiyao to treat the symptoms of blood stasis, it is necessary to exclude skin damage, such as skin with localized breakage or bleeding can not use Yunnan Baiyao, in this case the use of Yunnan Baiyao is likely to increase the risk of infection. If the patient is allergic to alcohol, also can not use Yunnan Baiyao, or the patient itself is allergic to the body, also not suitable for the use of Yunnan Baiyao. If the symptoms of stasis are not relieved after treatment with Yunnan Baiyao, it is necessary to go to the hospital in time, and if necessary, X-rays should also be taken or further examination should be done in order to make a clear diagnosis and choose a more suitable treatment plan.