Seafood includes all kinds of fish, fish balls, crabs, shellfish, shrimps, snails, etc., which are basically common ingredients in seafood hot pot. Fish and shrimp are particularly common, while shellfish and snails are rare. The reason is that these two ingredients are very troublesome to handle, especially snails, which contain many parasites. If it is not handled properly, it will definitely make diners have diarrhea. Therefore, there are few snails and shellfish in seafood hot pot ingredients.