At present, oranges are on the market in large quantities. Oranges with sweet and sour taste, rich nutrition and attractive color have aroused people's desire to buy. So, do you know? The healthy diet column answers for you. Sweet and sour oranges are rich in vitamin C. People often eat oranges, which have the effects of softening blood vessels, lowering cholesterol, stimulating appetite and helping digestion, and can also help the liver eliminate toxins. As the saying goes, no one is perfect, and gold is not enough. This orange is the same. So, what problems should we pay attention to when eating oranges? 1. If you eat too much oranges, it will cause excessive internal heat and yellow all over. Benefits of eating oranges often 2. Eating too many oranges can not only damage teeth and mouth, but also easily lead to kidney calculi and urinary calculi. 3, be careful not to eat oranges on an empty stomach, otherwise oranges will cause irritation to the gastric mucosa and cause discomfort. 4. Some elderly people, especially those with weak constitution, should not eat more oranges to prevent symptoms of abdominal, waist and leg pain.