Tummy pain and vomiting in a 6-year-old child may be due to improper diet, food accumulation, acute gastroenteritis, or intestinal obstruction. Patients need to go to the hospital in time to determine the cause and treat the cause. Common causes and treatment 1, improper diet: children who overeat, overeat cold, greasy, irritating food can lead to abdominal pain with vomiting symptoms. Attention should be paid to adjusting the diet to a light, easy-to-digest diet, such as noodles, millet porridge, etc.; 2, accumulation of food: children with a weak spleen and stomach, prone to accumulation of food, resulting in abdominal pain with vomiting symptoms. At this time, the child can be under the guidance of the doctor oral pro-gastric power drugs and digestive drugs, such as Mosapride, yeast tablets, stomach and food tablets, etc.. Eat less food that can easily cause abdominal distension and indigestion, such as glutinous rice, chestnuts, sweet potatoes, etc. Eat regularly, three meals a day at regular intervals, and avoid overeating; 3. Acute gastroenteritis: children with acute gastroenteritis caused by unclean diet or overeating usually, with symptoms of stomach pain with vomiting. At this time, avoid eating cool food, pay attention to abdominal warmth, and if necessary, take oral haloperidol, flavopiridol with montelukast, vitamin B6, and multi-enzyme tablets under the guidance of a doctor to relieve symptoms. In addition, the patient is prone to dehydration symptoms, should be timely rehydration, can drink warm saline or sugar saline, serious cases need timely infusion; 4, intestinal obstruction: children with intestinal obstruction, can also cause abdominal pain with vomiting symptoms. At this time, the condition is critical and requires timely medical attention, and non-surgical and surgical treatments are decided according to the cause, nature, location and general condition of the intestinal obstruction.