After eating seafood, you can't eat hawthorn, pomegranate, grapes, persimmons, etc. It is easy to form stomach stones. Seafood is generally rich in nutrients such as protein and calcium. If it is combined with fruits containing more tannic acid, it will reduce the nutrition of protein, and it is easy for calcium in seafood to combine with tannic acid to form indigestible substances. You can't take a lot of vitamin C after eating seafood, which may lead to adverse reactions. Some ingredients in seafood will be converted into toxic substances under the action of vitamin C. Try not to drink tea after eating seafood.