The fishing season of pike crab is twice a year in spring and fall, with a long fishing period, high yield, large body and meat, tasty and nutritious, especially the ovaries and liver. The ovaries can be used as a fine flavorings. In addition to fresh food, the meat can also be canned, which sells well both at home and abroad. Shells can be used as medicinal herbs, and can be extracted chitin, widely used in a variety of industries. The annual output of the Yellow Sea and the East China Sea is 1~20,000 tons each. For China's most important seafood crab, economic significance. Similar species in the South China Sea and the East China Sea, there are distant sea pike crab and red star pike crab, in the South China Sea for the common economic species.