The nutritional value of citrus is that it can provide the body with vitamins, calcium and other nutrients. It is not advisable to eat too much citrus, and it is not advisable to eat citrus on an empty stomach. Generally 100 grams of citrus contains 119 kcal energy, 29.6 grams of carbohydrates, 0.1 grams of fat, 4 mg of calcium, 0.1 mg of iron, 3 mg of magnesium, 6 mg of potassium, 18.6 mg of sodium and other nutrients. Moderate consumption of citrus can replenish the body with water, sugar vitamins and other nutrients. It is not recommended to eat too much citrus, because citrus is rich in carotenoids, and excessive intake can easily induce nausea and vomiting, loss of appetite, generalized weakness and other manifestations of carotenemia. Citrus has a high nutritional value, and moderate consumption of citrus can replenish the body with nutrients.