No need. Only four parts need to be treated.

1. Clean the crab stomach. Crab stomach is commonly known as "crab urine bag". In the center of the front edge of its back shell, it is a triangular-like bony bag with sludge inside.

2. To clean the crab intestine, it is a black line from the crab stomach to the crab umbilicus.

3. Remove the crab heart commonly known as "hexagonal plate".

4. Remove the crab gills commonly known as "crab eyebrows", which are two rows of soft eyebrow-like things that grow on the abdomen of the crab. The "crab meat" from these parts is dirty, has no edible value, and can easily cause food poisoning. Famous domestic crabs:

1. Gucheng Lake hairy crab

This crab is produced in Gucheng Lake, Gaochun District, Nanjing City. It has always been called the best crab. The waters of Gucheng Lake are hundreds of The area is round, with rippling blue waves, luxuriant aquatic plants, and wide extension. The crabs grown here are particularly distinctive in shape and meat quality among the crab family. Their meat is tender, delicious, and rich in nutrients. Gucheng Lake crab contains 14 grams of protein, 13 milligrams of iron, 0.71 milligrams of riboflavin, and 5960 international units of vitamin A per 100 grams of meat. In the early years of the Republic of China, Shi Jinmo, one of the four famous doctors in Beijing, once compared the crabs of Gucheng Lake to the number one crab in the world.

2. Yangtze River Hairy Crabs

In the waters from Anqing to Wuhu in Anhui Province, there are natural wild hairy crabs with excellent quality. They are the best among crabs. The survival rate of wild crab seedlings is very high. Low, the yield is extremely limited, and the cost of fishing is also very high, so the price is very expensive. However, there are artificially raised wild hairy crabs in Wuhu, Anhui. The quality and taste are similar to those of wild Yangtze River hairy crabs, and the taste is also very good.

3. Liangzi Lake hairy crabs

Liangzi Lake hairy crabs in Ezhou City, Hubei Province, fully ecologically cultured, products with origin mark. “Throughout the ages, the poetry of Jiangxia has existed, and the crabs on the banks of Liangzi Lake are getting fat.” The year before last, Yu Qiuyu composed an impromptu poem on the spot at the opening ceremony of the cultural festival, which made Liangzi Lake crabs famous. Liangzi Lake is the second largest lake in Hubei Province, with two-thirds of its water surface located in Jiangxia District. The lake water is clear and the water quality reaches the second grade standard. The crabs produced are large, with white belly, fresh meat and delicious taste.

In 2004, the "Liangzi" brand Liangzi Lake river crab was awarded a protected product of origin, and its trademarks were successively awarded the title of "Famous Trademark of Hubei Province". The products are favored by consumers and are sold nationwide and exported to 7 countries and regions including South Korea, Japan, Singapore, Malaysia, Hong Kong, Macao and Taiwan, with annual foreign exchange earnings of US$5 million.

Liangzi Lake is one of the freshwater lakes with the largest water capacity in Hubei Province and the second largest lake area in the province. It is the hometown of the famous Wuchang fish both at home and abroad. The area for raising crabs in Liangzi Lake is nearly 6 times that of Yangcheng Lake in Suzhou, the output is 2 times that of Yangcheng Lake, and the water quality reaches the national Class 2 standard. Coming to Liangzi Lake to eat crabs is a must.