Ulcerative colitis usually has no absolute contraindication of fruits, but should try to eat too sour, too sweet and other stimulating fruits, such as kumquats, lemons, pineapples, sugar cane, lychee and so on. Ulcerative colitis is a kind of chronic non-specific intestinal inflammatory disease caused by immunity, intestinal microecological abnormalities and other factors, patients are usually accompanied by intestinal mucosal damage, diarrhea, abdominal pain, mucopurulent blood stools, acute and severe symptoms. Patients with ulcerative colitis usually have no absolute contraindication to fruits, and can usually eat them in moderation. However, for stimulating fruits such as kumquats, lemons, pineapples, sugarcane, lychees and other fruits that are too acidic and sweet, they will stimulate the increase of gastric acid secretion, and damage the intestinal mucosa, therefore, this kind of fruits should be eaten sparingly so as not to affect the recovery of the disease. It should be noted that, no matter which kind of fruit, you should not eat too much at one time, and you should also pay attention to the temperature of the fruit, and should not eat too cold fruit, so as not to aggravate the burden on the stomach and intestines, and even aggravate the condition. Ulcerative colitis patients are advised to seek medical attention in time, actively accept treatment, so as not to delay the condition, the specific diet structure can also consult a professional physician.