Oysters belong to seafood, mainly feeding on plankton and other animals, so the offal of oysters contains a large number of bacteria and heavy metals, which will affect the health of the human body after consumption, so the offal of oysters can not be consumed.

Oysters, as a common economic farmed shellfish, have a beautiful flavor and fine meat that is easy to digest. And dried oyster meat contains protein 45% ~ 52%, fat 7% ~ 11%, total sugar 19% ~ 38%, in addition, also rich in vitamins A, B1, B2, D and G, etc., iodine content than cow's milk or egg yolk 200 times higher. Concentrated called "oyster sauce"; meat can be eaten fresh or made into dried products, that is, the traditional famous product "oyster sauce".