The best way to eat shrimp, crab, and shellfish is to steam and boil them. 

Scallops and oysters produce a carcinogen called benzodiene during the barbecue process. There are potential hazards after eating, so it's best not to eat grilled seafood. If you must taste onions, cucumbers, onions, cabbage, mushrooms, tomatoes, bananas, and other fruits and vegetables with strong antioxidants, choose teppanyaki, and try to avoid eating barbecues made directly from charcoal and gas, as the latter produces more harmful chemicals to the human body.