Generally, it is because the belly of hairy crabs is not placed upward. Steamed hairy crabs should be steamed in a pot with cold water, and the hairy crabs should be tied with hemp rope and placed with their abdomen facing upwards, which can not only prevent the hairy crabs from falling off their legs or cracking, but also prevent the crab roe from flowing out.

Crab yellow came out when hairy crabs were steamed. What happened?

You can soak hairy crabs in salt water for about 20 minutes before cooking in the upper pot, which can kill the bacteria of hairy crabs.

When steaming hairy crabs, you can put a few pieces of ginger on the steamer, or you can pour a proper amount of beer or high-alcohol liquor into the pot, so that the steamed hairy crabs will be more delicious.

Hairy crabs don't need to be steamed for too long. Generally, they can be steamed for 15-20 minutes after aeration. After a long time, the taste may become worse.