If you don’t eat, you’ll be hungry, and if you eat, you’ll want to vomit. This may be due to gastrointestinal disorders, peptic ulcers and other diseases. 1. Gastrointestinal dysfunction: due to irregular diet, pathological reasons, mental factors and other reasons leading to peristalsis and secretion dysfunction of the stomach and intestines, eaten food can not be completely digested and absorbed, there will be eaten want to vomit symptoms. 2. Peptic ulcer: due to Helicobacter pylori infection, drug factors, excessive secretion of gastric acid and other causes of gastrointestinal mucosa damage, congestion, edema, erosion, ulcers, etc., resulting in changes in digestion and absorption function, which in turn will cause the symptoms of not eating hungry eat want to vomit. If the symptoms of vomiting are serious, you should go to the hospital in time to see a doctor and give standardized treatment after clarifying the cause.