The stomach has been vaguely painful bloating may be functional dyspepsia, chronic gastritis, gastric ulcer and other disease factors. 1. Functional dyspepsia: Functional dyspepsia can lead to gastric and duodenal dysfunction, followed by abdominal pain, bloating, belching (hiccups), loss of appetite and other symptoms. 2. Chronic gastritis: refers to the chronic inflammation of the gastric mucosa, which can induce gastrointestinal symptoms such as abdominal distension, abdominal pain, nausea, vomiting and loss of appetite. 3. Gastric ulcer: it can cause damage to the gastric mucosa, abdominal distension, abdominal pain and other symptoms, and abdominal pain often occurs after eating. It is recommended to go to the hospital when you have stomach pain and bloating, and ask the doctor to make a judgment and clarify the cause of the disease.