According to the market price and supply and demand, Portunus is usually more expensive than Eriocheir. Portunus trituberculatus is a kind of high-quality seafood ingredients, its output is relatively small, and it has a unique taste and taste, so its price is higher. Although the three-eyed crab is also a kind of delicious crab, its market competition is fierce and its price is relatively low because of its large output.