Children who eat too much vomit stomach upset can be relieved by fasting, warmth, medication, rehydration therapy and other methods. 1. Fasting: 3 to 4 hours after the child vomiting is recommended to fasting, water, this can reduce the burden on the stomach and intestines, so that the stomach to get enough rest, in general, can effectively reduce the discomfort of the stomach. 2. Warmth: the child vomiting may be caused by cold, this time to pay attention to the warmth of the abdomen, you can use a warm water bag on the stomach, which will help alleviate the symptoms. 3. medication: the child vomiting can be given to promote gastrointestinal digestion of drugs, such as digestive enzymes, probiotics and other drugs, such as bacillus subtilis bacillus granules. 4. Rehydration therapy: if a lot of vomiting may appear dehydration symptoms, this time to pay attention to replenish water, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor through the intravenous or oral rehydration salts for rehydration, in order to alleviate the symptoms of discomfort. Children with the above symptoms need to consult a doctor in a timely manner, after a clear diagnosis to carry out targeted treatment, to avoid delaying the treatment time. All of the above medications should be used under the guidance of a doctor.