Eating oranges does not have special effects and functions, appropriate consumption only to play a supplemental water as well as supplemental vitamins to maintain the normal physiological function of the human body. Oranges belong to citrus fruits, the flavor is mostly sweet and sour, and oranges contain a lot of water and sugar, appropriate consumption can be for the body to replenish water, to relieve hunger and thirst and other physiological discomfort. Oranges also contain a lot of vitamin C, vitamin P, vitamin A and other trace elements, but eating oranges does not have a special effect and role, should not be excessive consumption of oranges. At present, according to relevant information research shows that oranges contain flavonoids, carotenoids, has a certain anticancer, detoxification effect, but need to be extracted and synthesized through professional technology to have this effect. In daily life, regular consumption of oranges can not achieve the role of treatment or prevention of certain diseases. For people who are allergic to oranges, it is not advisable to consume them, so as not to induce a systemic allergic reaction. For diarrhea, abdominal pain and other people, also should not eat a lot of oranges during the period of illness.