Yunnan Baiyao sprinkle wound pus, should be the case of wound infection. In general, Yunnan Baiyao is oral, if the external use is in the beginning of the poisonous sores, in addition to internal use, you can take another powder, with the wine mixing evenly on the affected area, if there has been a pus, only need to be taken internally, not externally. In general, after the appearance of wounds, it is not recommended to sprinkle Yunnan Baiyao powder, this situation may lead to the infection of the wound, the healing of the wound is not favorable. Routinely after the emergence of wounds, should be disinfected first, if it is an open wound, it is recommended to use iodophor to disinfect, iodophor is less irritating to the tissues, the patient will not feel very painful, and iodophor has a good bactericidal effect, can prevent the wound from becoming infected. If it is a suture wound, you can use povidone-iodine to disinfect, you can also use iodine or alcohol to disinfect, on the surface of the wound can be used externally with the expulsion of corrosive effect of drugs, do not go to spread Yunnan Baiyao, this kind of expulsion of corrosive effect of drugs such as rehabilitation of the new liquid, wet burns cream, etc., to promote the healing of the wound. So patients do not appear wound to spread Yunnan Baiyao powder, Yunnan Baiyao powder is more for internal use. Patients in the process of using Yunnan Baiyao, discomfort symptoms, adverse reactions, or have any questions, you can consult a physician or pharmacist.