Animal oyster (ostreagigastnunb) and its relatives of the whole animal, is a marine shell. In the subtropical, tropical coasts are suitable for oyster farming, China's distribution is very wide, from the Yalu River in the north to Hainan Island in the south, coastal oysters can be produced. Oyster is a soft shell, dependent parasitic animals, fresh and salt water junction is particularly fertile.

China's traditional artificial oyster area called oyster pond or oyster pond. Stone oysters attached to the stone and live, bamboo oysters are inserted into the bamboo seashore for the floating field, also known as oyster ponds. Note: oysters, mollusks, there are two shells, one small and flat, the other large and bulging, uneven surface of the shell. The meat is used for food, and oyster oil can be extracted. The meat, shell, and oil are all used in medicine, and are also called oysters or sea oysters.