Sea Worm (Sea Worm), a Chinese-listed seaweed, is only produced in the Bohai Bay in China. It is soft and squirming, has no burrs on its body, and is light yellow. Sea intestine not only looks like a naked sea cucumber, but its nutritional value is no less than that of a sea cucumber. But over the years, people have used it as "fish bait." It only takes decades to actually use it to prepare dishes. It can be consumed by the general population. It has the functions of warming the liver and kidneys, aphrodisiac and fixing essence. It is especially suitable for men to consume. One thing worth noting is that in a dark environment, live seaguts will glow green when they are gently squeezed.

Sea sausage is very seasonal and can only be caught in spring when there are strong winds and waves. The cave of the sea intestine is U-shaped, with a chimney-shaped entrance. In Shandong, sea sausage is mainly distributed in mudflats or rock crevices along the coasts of Yantai, Qingdao and other places. The Jiaodong region of Shandong Province is the largest producer of sea sausage in my country. There are also reports that sea intestines have been found in the waters of Xiamen, Fujian.