The flesh of cuttlefish is edible, and the ink in its ink sac can be processed into industrial use. Ink sac is also a medicinal material, and the inner shell can feed caged birds with calcium. The viscera of cuttlefish can be squeezed into viscera oil, which is a good raw material for tanning. Its eyes can be made into eyeball glue, which is the best glue. Common squid in China are squid (commonly known as squid), golden squid and needleless squid. Squid is one of the four major seafood products in China (large yellow croaker, large yellow croaker, hairtail and cuttlefish). Large catch, delicious meat and rich nutrition.

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Nutritional value:

Squid contains protein 13g per 100g meat, only 0.7g fat, and also contains carbohydrates, vitamins A and B, calcium, phosphorus, iron and other substances necessary for human body. It is a nutritious food with high protein and low fat. It is worth mentioning that it is an ideal health food for women to shape their bodies and maintain their skin. Squid shell contains calcium carbonate, chitin, mucus, and a small amount of sodium chloride, calcium phosphate, magnesium salt and so on. The ink of cuttlefish contains a mucopolysaccharide, which has been proved to have certain anticancer effect on mice.

According to the theory of traditional Chinese medicine, squid is salty and flat, and enters the liver and kidney meridians; Has the effects of nourishing blood, dredging menstruation, promoting lactation, invigorating spleen, tonifying kidney and nourishing yin, regulating menstruation and stopping leukorrhagia, and can be used for treating menoxenia, edema, damp arthralgia, hemorrhoid and beriberi. Squid and spine (called cuttlebone in Chinese medicine) can be used as medicine. Li Shizhen called cuttlefish "blood medicine", which is a good medicine for treating women's anemia and amenorrhea due to blood deficiency.

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