Wash hairy crabs with tied ropes.

Because the waters where hairy crabs live have a relatively high sand content, they need to be carefully brushed and rinsed with water for a while before the hairy crabs can be cleaned. However, there is no need to untie the rope when cleaning first. , which saves time and convenience.

The hairy crab meat contains a variety of vitamins, of which vitamin A is higher than other terrestrial and aquatic animals. Vitamin B2 is 5-6 times higher than meat and 6-10 times higher than fish. 2-3 times higher than eggs. The content of vitamin B1 and phosphorus is 6-10 times higher than that of ordinary fish. Each 100 grams of hairy crab edible part contains 17.5 grams of protein, 2.8 grams of fat, 182 mg of phosphorus, 126 mg of calcium, and 2.8 mg of iron. In addition to being rich in calcium, crab shells also contain crab erythrin, crab xanthin, etc.