Tummy pain and vomiting in the middle of the night in children may be caused by intestinal diseases or may be related to brain diseases. Parents should promptly take the affected child to the pediatric department of the hospital to identify the cause and treat the cause. Common causes and treatments: 1, gastroenteritis: abdominal cold, improper diet and other factors lead to bacterial or viral infections in the gastrointestinal tract, gastrointestinal tract dysfunction, causing abdominal pain, vomiting. Fasting, water, and timely hospital consultation, oral rehydration salts or intravenous rehydration to avoid dehydration resulting in water and electrolyte disorders; 2, intestinal obstruction: intestinal adhesions or twisting leads to intestinal obstruction, so that the stomach contents can not pass, abdominal pain, vomiting symptoms, fasting, water, and timely hospital consultation, improve the examination, if necessary, the need to place a gastric tube for gastrointestinal decompression, the application of antibiotics to prevent infection, such as If strangulated intestinal obstruction occurs, surgical treatment is needed to relieve the obstruction; 3. Meningitis: viral or bacterial infection causes increased intracranial pressure, which can show symptoms such as headache, vomiting, abdominal pain, diarrhea, etc. It is necessary to promptly consult a doctor and give anti-cranial pressure treatment, such as bacterial meningitis, apply ceftriaxone for anti-infection treatment, and if it is viral meningitis, apply acyclovir for antiviral treatment. Note: In addition, gastrointestinal colds, food poisoning, intestinal cramps, mesenteric lymphadenitis and other diseases can cause children to vomit in the middle of the night, and should be treated symptomatically after improving the relevant examination. When the baby vomits, let the baby be in a semi-recumbent position or lie down with the head to the side to avoid the vomit from accidentally entering the trachea and causing suffocation. At the same time, pay attention to any accompanying symptoms such as fever, mental condition, urine and stool, and seek prompt medical attention.