At this time, patients should eat nutritious liquid or semi-liquid food, take the method of eating less and eating more meals, and eat some digestible and soft vegetables, such as Chinese cabbage, eggplant, radish, tomato and yam. And make these vegetables into porridge for patients to eat. These vegetables not only contain plant protein, but also contain a variety of trace elements, minerals and electrolytes, which not only supplement certain calories and trace elements for gastroenteritis patients.