The nutritional value of grouper is that it can supplement protein and other nutrients for the organism, and grouper has no efficacy. In addition, people with seafood allergy should not eat grouper, and gout patients should eat less grouper during the attack period. Generally 100g of grouper contains 78.7g of water, 359KJ of energy, 18.5g of protein, 91mg of cholesterol, 1.2g of fat, 26.0μg of vitamin A, 0.14mg of riboflavin, and 152mg of calcium. With 27.4% polyunsaturated fatty acids in grouper fat, eating grouper in moderation in general can replenish nutrients for the organism. Since grouper is a food, it does not have the efficacy and effect of drugs. In addition, grouper belongs to seafood, the people who are allergic to grouper should not eat grouper, so as not to cause skin itching, rash, breathing difficulties and other allergic reactions. In addition, grouper has high purine content, gout patients should eat less grouper during the attack.