A. Liquid food is recommended for the acute period. Or enteral nutrition solution. Second, the principles of meal preparation 1, as little as possible with food rich in food fiber, such as vegetables, fruits, coarse grains, whole beans, hard fruits. The selected food should be fine and soft with little residue, easy to chew and swallow. 2, fat content should not be too much, diarrhea patients with reduced digestion and absorption of fat, easy to cause fatty diarrhea, so the intake of fat should be controlled. 3, a small number of meals, pay attention to nutritional balance, due to the restrictions of food choices, dietary nutrients difficult to balance, because of the restriction of vegetables and fruits, easy to cause vitamin C and certain mineral deficiencies, some juices contain more organic acids, easy to stimulate intestinal motility. If necessary, vitamin and mineral preparations can be supplemented. 4, pay attention to the supplementation of inorganic salts: patients due to diarrhea, fever, fistula, etc., the loss of inorganic salts is obvious, must pay attention to supplementation in the diet to avoid disorders of electrolyte balance. 1, food selection 1, the appropriate food: fine rice and flour food, such as porridge, rotten rice, bread, soft noodles, cookies; chopped into soft and rotten tender meat, animal offal, chicken, fish, etc.; soy milk, tofu brain; dairy, eggs; vegetable water, vegetable juice, peeled soft melon, tomatoes, carrots, potatoes, etc. 2, limit food: all kinds of coarse grains, whole beans, hard fruits, vegetables rich in food fiber, fruits, fried, greasy food, chili, pepper, curry and other strong and stimulating condiments. 3, must quit smoking and avoid alcohol: especially smoke has an aggravating effect on Crohn’s disease, resolutely quit. Fourth, the correct treatment is to ensure Crohn’s disease if you can not get there treatment, diarrhea for a longer period of patients, will be due to fasting for too long or persistent calorie deficiency, triggering malnutrition.