15-20 minutes. Drain the water from the bottom of the pot and steam in a steamer 15-20 minutes. When cooking, it is not advisable to open the lid and steam it thoroughly at one time, otherwise it will affect the taste of crabs. Eriocheir sinensis, also known as Eriocheir sinensis, Eriocheir sinensis and Eriocheir sinensis, has more than 500 species in China, and Eriocheir sinensis is the freshwater crab with the highest yield in China. Hairy crabs are favored by consumers at home and abroad because of their rich nutrition and delicious meat. At present, Eriocheir sinensis has become the main breeding species in various places, and the breeding industry of Eriocheir sinensis has changed from "raising crabs" in pursuit of yield to "raising crabs and raising ecological crabs" with quality and benefit as the center. In addition, there is another kind of tea called "hairy crab tea".