The use of Yunnan Baiyao, either orally or topically, is not recommended during breastfeeding. It is not recommended because a certain amount of the drug may be absorbed by the baby through breast milk secretion, which may have some effect on the baby. Do not use drugs casually during breastfeeding, if the condition requires, must be used under the guidance of a regular doctor, otherwise it will have a negative impact on the baby. During the breastfeeding period, you should pay attention to good breastfeeding habits, pay attention to nipple and breast hygiene protection, and empty the milk after breastfeeding to reduce the accumulation of milk in the breast and reduce the occurrence of mastitis. If there is redness, swelling, heat or pain in the breast, it is recommended to go to a regular hospital in time.