Jixian County is known as “Jiangsu Beidaihe”. The crabs are caught in spring, summer and autumn, but the spring yield is the highest, and there is more rhubarb. The larger one weighs 500 grams. After cooking, the whole body is vermilion, commonly known as '彤 crab'. The female crab has a paste in three seasons. And the red paste is covered and the taste is very delicious.