Cuttlefish generally refers to squid, squid allergic people should not eat, other people can be eaten in moderation. Squid contains protein, fat, cholesterol, carbohydrates, saturated fatty acids and other nutrients. 100 grams of cuttlefish contains 83 calories, of which 3.4 grams of carbohydrates, 15.2 grams of protein, 0.9 grams of fat, 226 milligrams of cholesterol, 15 milligrams of calcium and 1 milligram of iron. It can be used as a source of supplemental energy. Squid has a moderate purine content of about 90mg/100g, so gout sufferers should be cautious when consuming it during a gout attack. In addition, except for those who are allergic to squid, all other people can consume it in moderation, but it is important to note that it is not advisable to consume too much at one time, as it may aggravate the burden on the stomach and intestines and lead to excessive cholesterol intake. Squid contains ink, so it is not suitable for washing, and it is easy to dirty clothes, so you should pay attention to clean up before eating. Squid food methods are more, there are fried, cold, barbecue, etc., but it is recommended that the squid cooked to avoid gastrointestinal discomfort.