Lu Sihai is a national geographical indication product in China. Its taste is crisp and nutritious. Generally speaking, the better the quality of the jellyfish, the crisper and tenderer the texture. The new sea otter is moist, soft, and has no crystal salt or enamel. The color is brighter and brighter; Chen Haiqi is the opposite. When selecting sea otters, be careful not to choose to dry the air. After the sea bream is dried, the water bubbles can not be restored to the original state, and the toughness becomes old, and the bite-like bite does not move, and the chewing is not bad; at the same time, do not pick the sea otters that have been rained. Because it is perishable.