1, some people do not eat. Oysters are slightly cold, and it is easy to make the body cold after eating, so people with cold constitution, pregnant women and women during menstruation should avoid eating them.

2, should not be eaten with beer. Oyster is a kind of food containing purine and monophosphate, and beer is rich in vitamin B 1, an important catalyst for decomposing these two components. If you drink beer while eating oysters, it will promote the combination of harmful substances in the body and increase the uric acid content in human blood, thus forming urinary calculi that are difficult to discharge. If there is something wrong with your metabolism, drinking beer while eating oysters will easily lead to a sharp increase in blood uric acid levels, which will lead to gout, and even gouty nephropathy and gouty arthritis.

3, it is not appropriate to eat raw oysters. There are parasites in oysters. If you eat oysters raw, and there are parasites in them, there is a risk of infection. Therefore, try to eat cooked oysters as much as possible to avoid the risks brought by parasites.

4, should not be eaten with cold food. Oysters are slightly cold. If you eat cold food such as watermelon, pear, ice cream and cold drink when eating, it is easy to cause physical discomfort, abdominal pain, diarrhea and other symptoms.