People who are allergic to blood oranges should not eat blood oranges, and people with poor gastrointestinal function and diabetic people should also choose to eat blood oranges with caution. Blood oranges contain a variety of nutrients, some people will be allergic to blood oranges inside a certain or several components, such people are not recommended to eat blood oranges, but also should avoid eating food containing oranges, such as orange juice, orange cake, etc., so as not to lead to the body of the skin redness, itching, vomiting, diarrhea and other allergic symptoms. In addition, blood oranges contain a certain amount of fruit acids, dietary fiber and other substances that may have a certain effect on the stomach, so people with poor gastrointestinal function should be cautious to eat blood oranges, so as not to aggravate the burden on the stomach and intestines, inducing gastrointestinal discomfort. Blood oranges contain a certain amount of sugar, diabetic people need to limit the consumption of blood oranges, so as not to cause fluctuations in blood sugar, affecting the effect of sugar control. In addition to the above groups, generally healthy people can eat some blood oranges in their daily life, but should also avoid excessive consumption.