The reasons for the uncomfortable heartburn in the stomach include improper diet, gastritis, gastric ulcer, gastroesophageal reflux disease, etc. There are different treatments for different causes. 1, improper diet: eating too much hot and spicy stimulating food leads to excessive secretion of gastric acid, which may lead to a burning sensation in the stomach and also a feeling of heartburn. Attention should be paid to adjusting the diet structure, avoid eating too much cold, spicy and stimulating food; 2, gastritis: gastritis is mainly related to irregular diet, overeating, stimulating diet, long-term heavy drinking or bile reflux, etc. Clinically, it mainly manifests as burning sensation in the stomach, nausea, vomiting, bloating, acid reflux, diarrhea, etc.; 3, gastric ulcer: after the patient suffers from gastric ulcer, the damage of the ulcer reaches the muscle layer of the stomach and goes deep When the patient suffers from GERD, it will lead to acid reflux to the throat, and the patient will feel a burning sensation in the stomach, acid reflux, flatulence, nausea and so on. It is usually necessary to apply omeprazole and ranitidine to inhibit gastric acid secretion, domperidone and mosapride to promote gastric motility, digestive enzymes to improve the digestive function of the gastrointestinal tract, and drugs such as bismuth pectin and magnesium aluminum carbonate to protect the gastric mucosa under the guidance of a doctor, so as to relieve stomach discomfort. Daily attention should be paid to a light diet, avoid spicy, cold, greasy food, eat less sweets, eat less and more meals, do not overeat. Pay attention to dietary hygiene, do not eat spoiled and contaminated food, pay attention to keep warm and reduce cold stimulation.