You can drink black coffee during breastfeeding, but you should drink it sparingly and not in excess. Black coffee contains caffeine, which is a stimulant that excites the nerves, and if drunk in small amounts during breastfeeding, it can refresh the mind and improve the appetite. However, you should pay attention to the right amount of coffee, if you drink too much, it will make the mother into a state of excitement, affecting sleep and rest. In addition, the caffeine will also enter the baby’s body through breast milk, a small amount may not have much effect, but if the amount of large will cause unpredictable effects. Breastfeeding women should strictly control the amount of black coffee they drink. Do not breastfeed your baby immediately after drinking black coffee, but do so after 1-2 hours.