Semi-liquid food is a food form between solid food and liquid food. The food is thin, soft, easy to digest and easy to chew from the appearance, and contains foods such as fruit puree, egg custard, minced meat congee, inner fat tofu, wontons, noodles, egg soup, mashed meat, mashed vegetables, sesame paste, and so on. Because this kind of semi-liquid food is easier to chew and digest, nutritious and varied, with enough calories and proteins, it is more suitable for infants, toddlers and toothless elderly as well as patients. Generally semi-liquid food is mainly for sick people, such as those with stomach diseases, before and after surgery. In the production of semi-liquid food, usually add water to cook, chopped or chopped with a knife into a puree, but also can be ordinary food with a wall-breaker into a paste.