If you don’t eat, your stomach is uncomfortable. On the one hand, it may be caused by functional factors such as indigestion, and on the other hand, it may be caused by organic factors such as gastritis and gastric ulcer. The first thing you can do is to regulate your diet, eat regularly, eat less and more often, eat three meals regularly and quantitatively, and be seven minutes full at each meal; eat more light and easily digestible food, eat more fresh vegetables and fruits, eat less greasy food and fried and deep-fried food, and eat less gas-producing food; do appropriate activities after meals to promote gastrointestinal peristalsis; if necessary, you can take appropriate drugs to help digestion, such as lactobacillus tablets. If the symptoms are not relieved after conditioning, we should consider the possibility of gastritis, gastric ulcer and other gastric diseases, which require gastroscopy and carbon 14 breath test to clarify the specific cause and then further targeted treatment.