Children with food retention can be helped by improving dietary habits, abdominal massage or taking probiotics and other medications to promote digestion as prescribed by the doctor. 1. Improve dietary habits: children during the accumulation of food can be appropriate to increase the intake of vegetables, fruits or coarse grains and other foods high in dietary fiber, in order to promote gastrointestinal peristalsis so as to achieve the purpose of rapid defecation. 2. Abdominal massage: massage that is in the umbilicus circumference of the circular clockwise direction of the massage, which can effectively promote gastrointestinal peristalsis and help defecation. 3. Drugs: probiotics (e.g. bifidobacteria, lactobacilli, etc.) can improve the ecological environment of gastrointestinal flora and regulate the digestive and absorptive capacity of the gastrointestinal tract under the guidance of the doctor, so as to improve the accumulation of food and promote rapid defecation. If the symptoms of constipation are severe, or if the symptoms persist and do not improve, the child should go to the hospital for treatment.