Feeling very hungry but no appetite and nausea, generally chronic gastritis or gastric ulcer, digestive system diseases can easily show similar symptoms, which do not affect normal appetite. But if you eat some food there will be a feeling of fullness, indigestion, and there is always nausea, vomiting, heartburn, acid reflux symptoms. So usually pay attention to the diet life conditioning, eat less cold, spicy, stimulating food, you can eat easy to digest, more delicate and soft food, avoid bad emotional stimulation. If you have symptoms of insufficient gastric power or fullness, you can take morpholine or Xiang Sha Yang Gastric Pill orally. With acid reflux and heartburn, you can take oral cimetidine, omeprazole and other drugs that protect the gastric mucosa to relieve symptoms. It is important to take care of your stomach and pay attention to your diet and lifestyle.