You can use Yunnan Baiyao aerosol during breastfeeding, Yunnan Baiyao aerosol is a kind of externally applied proprietary Chinese medicine preparation, the main ingredient of which is the preparation of CaoWu, which is mainly used in bruises, swelling and pain, the effect is to activate blood circulation and dissipate blood stasis, reduce swelling and relieve pain. Because the aerosol is a kind of external drug, the dose absorbed into the blood through the skin and mucous membrane is very small, so basically does not affect breastfeeding. The use of medication during pregnancy and breastfeeding, we are very careful, so try to go to the hospital after the emergence of the situation, under the guidance of a professional doctor to use. Yunnan Baiyao Aerosol is prohibited in pregnancy, and can be used in breastfeeding after weighing the pros and cons. The main ingredient of this drug is a proprietary Chinese medicine, so it is safer to use, and very few people will have an allergic reaction, such as allergic rashes and hives, but even if such an allergic reaction occurs, we do not have to worry too much, usually after stopping the drug can disappear.