It is possible to eat seafood in moderation during breastfeeding. Seafood is rich in protein and various trace elements, maternal consumption of nutrients through the milk for the child to absorb and digest, which is conducive to the growth and development of the baby. However, it is recommended that women do not eat too much seafood, because most of the mercury content in seafood exceeds the standard, which will bring obstacles to the development of the baby’s nervous system, and the corresponding symptoms will also be manifested as the baby’s age increases. At the same time, seafood is a cold food, also contains parasitic eggs, if the processing process can not be processed clean, easy to cause maternal diarrhea and baby’s indigestion. It is recommended to buy seafood from regular places and also pay attention to food hygiene to avoid discomfort.