Drinking alcohol during breastfeeding will affect breast milk and need to be prohibited. Alcohol needs to be strictly prohibited during breastfeeding, after drinking alcohol will directly enter into one’s bloodstream and flow to breast milk, which will affect the baby through breast milk during breastfeeding, affecting the baby’s digestive system and nervous system, disturbing his/her sleep, and is also not good for his/her physical health, therefore, drinking alcohol during breastfeeding is not recommended. During the breastfeeding period, in addition to banning alcohol, you should also ban strong tea and coffee, which will affect the quality of breast milk after drinking. If you have adverse reactions after drinking alcohol during breastfeeding, such as dizziness, headache, nausea, vomiting and other symptoms, you should consult a doctor promptly. It is also not recommended to breastfeed immediately after drinking alcohol, but need to wait for a period of time until the alcohol is completely metabolized before breastfeeding.