Patients with ulcerative colitis should eat low-fat, high-protein, high-calorie, low-fiber foods. They can eat more fish, poultry and dairy products, soy products, and also lean meat, beef and lamb, bread, starchy foods, fruits and vegetables, and drink more freshly squeezed juices. You can eat more nutritious porridge food such as millet porridge, eight porridge, red bean porridge and light soup, you can eat more fruits such as apples, bananas and grapes, do not eat overnight meals and fruits that have been placed for too long. The food you eat should be fine and soft, easy to chew and swallow, it is best to eat less and more meals, pay attention not to eat onions, ginger, garlic and other foods, and do not drink alcohol. If you have ulcerative colitis, you can also take medications such as mesalazine and enteritisin under the guidance of your doctor.