Caution should be exercised when consuming hairy crabs during lactation. The crab is allergic to allergies, parasitic infections, aggravating diseases, and affects the gastrointestinal function of the baby, so you should be careful when breastfeeding to avoid the following adverse reactions.1. The crab contains a variety of proteins and purine bases, which are allergenic foods, and when consumed by breastfeeding women, the allergenic substances may be ingested by the infant through the breast milk, leading to eczema symptoms in the infant, and thus inducing diseases of the autoimmune system. The crab is a cold food, so lactating women with cold and fever symptoms should avoid eating hairy crabs. The high protein in hairy crabs is not easily digested and absorbed by the human body, which makes it difficult to heal from a cold or aggravate the condition after consumption. In addition, people with a cold spleen and stomach should be cautious about eating hairy crabs to avoid diarrhea and abdominal pain; 4, affect the gastrointestinal function of the baby: hairy crabs are cold foods that can cause diarrhea, etc. After the mother eats them, they will be absorbed by the baby through breast milk, causing gastrointestinal dysfunction in the baby, causing diarrhea and abdominal pain.