Small children with bad breath and food accumulation may be caused by indigestion, intestinal flora disorders, etc. Dietary adjustment, abdominal massage, medication and other methods can be taken to regulate. If a small child eats too much, the food is not digested in the gastrointestinal tract, resulting in the child’s bad breath and food accumulation. To pay attention to the dietary rules, reasonable diet, keep the diet light, increase the amount of water, eat more food rich in dietary fiber, can promote intestinal peristalsis. In addition, you can also take abdominal massage to promote gastrointestinal tract peristalsis, so as to alleviate the accumulation of food and bad breath. If a child’s diet is not appropriate, it can cause intestinal flora disorders, which can also lead to a child’s accumulation of food and bad breath. In this case, probiotic treatment, such as bifidobacteria and lactobacillus, can be used to relieve bad breath and food accumulation. If the child’s symptoms are not relieved by the above methods, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, and symptomatic treatment.