Oranges are best not eaten on an empty stomach, half an hour after a meal is more appropriate. Oranges are cold food and contain more fruit acids, which can easily stimulate the gastric mucosa and cause excessive secretion of gastric acid after eating on an empty stomach, and often cause damage to the gastric mucosa and cause gastritis and gastric ulcers when eaten in large quantities. Oranges are rich in vitamin C, which can improve the body’s immunity and prevent colds. They are also rich in flavonoids and carotenoids, which can soften blood vessels, fight inflammation and sterilization, and prevent cancer when consumed regularly. Oranges can stop coughing and dissolve phlegm, promote intestinal peristalsis, facilitate the smooth flow of stool, beauty and beauty, it is recommended to eat between meals, not on an empty stomach. You can’t drink milk immediately after eating oranges, the protein in milk is easily coagulated with the fruit acids in oranges.