The initial diagnosis of stomach pain, bloating and vomiting is the presence of inflammatory diseases of the stomach, such as Helicobacter pylori infection, atrophic gastritis, chronic sinusitis, etc. The muscle layer of the stomach is subjected to long-term invasion by sensitive bacteria, resulting in erosion and ulceration. Once the affected area reacts with gastric acid, bile, food and other substances, it will not only stimulate the local sympathetic nerves, but also induce violent contraction of the stomach muscles, causing stomach pain, nausea, vomiting and other symptoms. In addition, due to the ecological imbalance of the gastrointestinal flora, the fermentation reaction between harmful bacteria and food residues generates a large amount of gaseous substances, such as carbon dioxide and methane, which cannot be emptied in a timely manner, causing complications such as gastric distention and increased belching, but other types of diseases such as duodenal bulb ulcer, gastrinoma, and gastrointestinal neurosis cannot be excluded. .