Slag-free food refers to food without dregs after eating, such as milk, soft rice, cakes, porridge and so on.

Less residue food refers to foods that produce little residue after eating, such as wonton, minced meat, mashed vegetables, small soup packets and so on.

Semi-liquid food is a kind of diet between soft rice and liquid food. Easier to chew and digest than soft rice. The content of fiber is small, but it contains enough protein and heat energy.

Commonly used semi-liquid foods include pork floss porridge, noodle soup, wonton, minced meat, mashed vegetables, cakes, small soup packets and so on.