1, steamed hairy crabs generally steamed for about 15 minutes. Hairy crabs are prone to parasites, high-temperature steaming to play a role in killing insects, 15 minutes is enough to kill the parasites, and this time the meat is just good, will not be undercooked or too old. Steaming time is usually determined by the weight of the crab, 3 to 4 taels need to steam for about 12 minutes, 4 taels or more need to steam for about 15 minutes. The steaming time is usually increased by 2 minutes for every 1 tael of weight.

2, in short, whether the whole crab or cut pieces of crab, from the boiling water into the pot counting, the total steaming time should not be less than 15 minutes, because 15 minutes or so in order to kill parasites or disease-causing micro-organisms, and this time will not lead to the crab meat become old.