1. Semi-liquid food with less residue is a strict restriction on fiber in diet. Generally, fiber is further restricted on the basis of semi-liquid food, and other fruits are inedible except edible vegetable puree and filterable vegetable soup.

2. Semi-liquid diet is mainly semi-liquid food, which is easy to swallow and digest. Edible foods include fiber-free foods, edible boiled noodles, stewed steamed bread, thick porridge, Lenny, fish balls, milk, eggs, cakes and so on.

3. Eat less and eat more meals, and the staple food should be quantitative, 5~6 meals a day. Food without dregs, such as milk; Semi-liquid food with less slag such as porridge.

Slag-free diet is an easy-to-digest food with little fiber, including hard muscle fiber.

5. The purpose is to reduce the stimulation of fiber to digestive tract, reduce intestinal peristalsis, and reduce the number of defecation and defecation times. It usually includes avoiding some fiber-rich vegetables, fruits and coarse grains, as well as fried and indigestible foods and greasy foods.