The reasons why pregnant women should eat crabs carefully are as follows: promoting blood circulation and removing blood stasis crabs are cool and have the effect of promoting blood circulation and removing blood stasis. Traditional Chinese medicine believes that fetal qi should gather and belong to stasis, so it is not advisable to eat crabs with the function of promoting blood circulation and removing blood stasis during pregnancy, so as not to cause uterine excitement, abortion or premature delivery. Crab claw can break blood abortion, so pregnant women should not eat crab claw to avoid abdominal pain, bleeding, abortion and so on.