As patients with colitis are prone to diarrhea, they should consume foods with less fiber, low fat and rich in protein and vitamins, which can relieve diarrhea and replenish nutrients lost due to prolonged diarrhea. Staple food is mainly refined and easy to digest rice and noodles, such as rice porridge, noodles, etc., forbidden coarse grains, appropriate supplementation of soy products, such as soy milk, tofu, etc.. As food fiber has the effect of stimulating the intestinal wall and promoting intestinal peristalsis, it is very unfavorable for patients with colitis, so it should be banned coarse grains and choose refined rice noodles, such as white rice, noodle soup and various porridges. Such staple foods contain less dietary fiber, can reduce the occurrence of diarrhea. And it is best to use a small number of meals, which can promote nutrient absorption and improve the symptoms of the disease. Soybean products are rich in protein and a variety of vitamins, trace elements, nutrient-rich, but its gas production in the digestive process, easy to cause abdominal distension, colitis patients can according to their own situation to supplement the appropriate amount. In addition, patients with colitis should avoid spicy and stimulating foods such as chili, curry and pepper, greasy foods such as beef and lamb and high-fiber foods such as leeks and celery, and pay attention to exercise to enhance physical fitness. Colitis should be standardized treatment under the guidance of a doctor, should ensure that the nutrition is balanced, adequate and comprehensive. Diet alone is generally unable to cure colitis disease.