Raw oysters are not recommended to be eaten raw. Raw oysters are a seafood that grows in an environment where bacteria, parasites and other pathogenic microorganisms harmful to humans may exist. If not treated by sterilization such as heating, the pathogenic microorganisms will enter the gastrointestinal tract and may cause gastroenteritis, pancreatitis, parasitic infections and other diseases with symptoms such as nausea, vomiting and abdominal pain. Therefore, it is recommended to fully heat raw oysters or use other methods that can effectively eliminate harmful substances before consumption. In addition to eliminating harmful substances when cooking, it is also necessary to pay attention to selecting fresh oysters, knowing the origin of oysters, avoiding the consumption of deteriorated oysters and reducing the risk of food poisoning; before cooking oysters, it is necessary to clean the oyster surface of sediment, which can be rinsed with salt water. Oysters are rich in nutrients, such as protein, taurine, amino acids, many vitamins and trace elements, which contribute to human health. In addition, the fat content of oysters is very low and the cholesterol content is not high, so it is suitable for most people to eat. However, people who are allergic to seafood should consume oysters with caution to avoid allergic symptoms such as itching, rash or even difficulty in breathing and edema of the throat. If you experience gastrointestinal reactions or allergic symptoms such as nausea, vomiting, abdominal pain after consuming raw oysters, you need to go to the hospital promptly. In addition, raw oysters have a high purine content, and their consumption may lead to the accumulation of purines in the body, so they should not be consumed by gout patients to avoid aggravating their condition.