It is best not to eat fruits such as kiwis in the morning on an empty stomach, as they are highly acidic and can easily stimulate the stomach and intestines, causing excessive secretion of gastric acid and causing stomach discomfort. The kiwi also contains highly active proteases, which may also stimulate the stomach and intestines. If you eat kiwifruit on an empty stomach for a long time, it is likely to cause stomach ulcers and chronic gastritis and other digestive disorders. In addition to kiwifruit, other fruits are best not eaten on an empty stomach in the morning. Many people eat kiwifruit in the morning on an empty stomach mainly to treat constipation, but if you eat kiwifruit on an empty stomach to treat constipation, you must also pay attention to the way you do it. You should not eat too much kiwifruit at a time on an empty stomach, and stop the habit of eating kiwifruit on an empty stomach if you experience any discomfort.