People with Crohn’s usually do not have symptoms such as constipation and generally do not need to consume laxative foods. Their food choices are high in calories, low in crumbs and fiber, easily digestible, and light. The main symptoms of patients with Crohn’s disease are abdominal pain and diarrhea, abdominal mass, fistula formation, fever, and nutritional disorders. Patients need to control their diet regularly and quantitatively, and the diet is mainly light, nutrient-rich, high-calorie, less residue and less fiber. Because of the decrease in intestinal peristalsis, fruits can be peeled and eaten after steaming. If there is bowel obstruction caused by poor defecation, need to fasting water, rehydration, extra-gastrointestinal nutrition, if necessary, surgical treatment. Malnourished patients should be supplemented by an appropriate increase in high-quality protein. Patients with Crohn’s disease need to pay attention to dietary hygiene, avoid intestinal infections, avoid eating cold, greasy, spicy and stimulating food.