There is generally no contraindication to eating cuttlefish, but if the patient is allergic to cuttlefish, it should not be eaten. Cuttlefish can provide the body with protein and other nutrients, but can not eat too much. Normal eating cuttlefish is no contraindication, but patients who are allergic to fish should not eat cuttlefish to prevent allergic symptoms such as generalized red rash, itchy skin and breathing difficulties. The nutritional value of cuttlefish is relatively high, every 100g cuttlefish contains 79.2g water, 15.2g protein, 3.4g carbohydrates, 1.3g ash, 0.9g fat and other nutrients needed by the human body, after eating it, it can replenish a variety of nutrients for the body. In particular, it is rich in animal protein, which is a high-quality source of protein. It should be noted that cuttlefish should not be eaten too much at one time, because the protein content of cuttlefish is relatively high, and consuming too much may lead to gastrointestinal symptoms such as bloating, abdominal pain, diarrhea and other gastrointestinal discomforts. Cuttlefish allergic people can not eat, other general no special contraindications. It is recommended that patients eat cuttlefish, appropriate to add vegetables and fruits, to ensure a balanced intake of nutrients.