It is not recommended to eat oysters when you have a cold, because from the point of view of Chinese medicine, the cold is divided into wind-heat type cold, wind-cold type cold and heat-damp type cold, and heat-damp type cold is usually a gastrointestinal cold caused by taking cold, greasy and spicy food in the summer when the heat is excessive. Because oysters are a kind of seafood, it is not possible to eat seafood and hairy food at this time, in addition, oysters are also cold food, and taking oysters will lead to further aggravation of summer dampness type of cold. If you have a wind-cold cold, you should not take oysters at this time, as they can cause abdominal pain, bloating, nausea, vomiting, watery stools or mucus-purulent stools and other indigestion symptoms. When you have a cold, you will take certain cold medicines, such as cephalosporin, penicillin and some herbal antiviral medicines, so if you take raw oysters, it will lead to the secondary failure of some medicines, so it is not recommended to eat raw oysters when you have a cold.