Keep wanting to vomit and can not vomit this situation should be considered a symptom of nausea, the appearance of such symptoms have the following aspects of the cause: 1, inflammatory infection or eat unclean, spicy, stimulating, fried, greasy food, resulting in the characteristics of acute gastritis, often nausea, vomiting, or appear bloating, acid reflux, belching and other symptoms. 2, gastrointestinal dysfunction, if often poor rest, more stressful Repeated insomnia and apprehension can easily lead to gastrointestinal dysfunction, causing gastrointestinal dysfunction, which can also show symptoms of nausea or vomiting. 3, peptic ulcer, if there is an ulcer in the gastric sinus or duodenal bulb, repeated ulcers and pyloric portal obstruction, there is a possibility of poor food discharge and a large accumulation of food in the gastric cavity, causing repeated nausea and even symptoms of vomiting. So if it is inflammation, you need to give anti-inflammatory symptomatic support treatment, if repeated symptoms do not see relief, you need to improve the gastroscopy examination to further clarify the diagnosis.