Oysters belong to the seafood category and have some nutritional value, but not special effects. Oysters are rich in protein, fat, niacin, riboflavin, vitamin E, cholesterol, etc. They are also rich in calcium, iron, zinc, selenium, phosphorus, copper and other minerals. 100 grams of oysters contain 10.9 grams of protein, riboflavin 0.13 mg, niacin 1.5 mg, vitamin E 0.13 mg, cholesterol 94 mg, calcium 35 mg, iron 5 mg, zinc 71.2 mg, selenium 41.4 micrograms, phosphorus 100 mg . Therefore, the consumption of oysters can provide the nutrients needed by the human body and maintain the normal physiological function of the organism. Oysters have high nutritional value, but there is no scientific report that they have special effects. In addition, although oysters have nutritional value, but for oyster allergy should be avoided, so as not to cause allergic reactions; oyster cholesterol content is relatively high, it is recommended to eat in moderation, should not be consumed too much.