The child’s stomach upset and vomiting is considered to be related to indigestion, acute gastroenteritis, bacterial dysentery, etc., and can be treated with medication as prescribed by the doctor. 1. Dyspepsia: Some children with dyspepsia do not need treatment and can relieve themselves. However, for children with more serious conditions, probiotics, such as Bacillus subtilis bacillus granules, can be taken as prescribed by the doctor. 2. Acute gastroenteritis: When the disease causes the child to vomit, oral rehydration salts or intravenous rehydration can be used to prevent water electrolyte disorders. Omeprazole, bifidobacteria, lactobacillus and other drugs can be used as prescribed by the doctor. If caused by bacterial infection, ceftriaxone, meropenem and other antibiotics can be applied. 3. Bacterial dysentery: also can be a child vomiting symptoms, this time the patient can follow the doctor’s instructions with ciprofloxacin, norfloxacin and other antibiotics to control the condition. Vomiters need to increase water intake, but also appropriate oral rehydration. Some patients can also be prescribed with 0.3% berberine solution, 2% silver sulfadiazine suspension and other drugs enema. All of the above drugs should be used under the guidance of a doctor to avoid self-medication; there are many other reasons for a child to vomit with an upset stomach, it is recommended to consult a doctor in a timely manner, to be evaluated by a specialist, to improve the relevant examination and to give targeted treatment or therapy.