Try not to eat crabs or hairy crabs in early pregnancy. Crabs are rich in protein and trace elements, which are good tonic for the body. Crab contains more vitamin A, which is helpful for skin keratinization. Crab also has an anti-tuberculosis effect, and eating crab is very beneficial for recovery from tuberculosis. In addition, crab has the function of soothing the tendons and benefiting the qi, regulating the stomach and eliminating food, ventilating the meridians, dispersing all the heat, clearing heat and nourishing yin, which can treat bruises, tendon injuries, fractures and allergic dermatitis. Crab meat is good for hypertension, arteriosclerosis, cerebral thrombosis, hyperlipidemia, and various cancers, but crab meat is cold and not beneficial to pregnant women. Also, people with high cholesterol, high purine and gout should exercise self-restraint when eating crab, and people with cold, hepatitis and cardiovascular diseases should not eat crab.