The main symptom of indigestion is epigastric pain, with or without other symptoms in some patients. The epigastric pain is irregular and related to eating. It is characterized by fullness and bloating, which may be relieved after eating, or by persistent abdominal pain about 2 hours after a meal. Early satiety, belching, the above symptoms may occur alone or in combination with or without abdominal pain, where early satiety refers to a feeling of fullness soon after eating, leading to a significant reduction in eating. Epigastric distension mostly occurs after meals or is aggravated after meals. Early satiety or epigastric pain may be accompanied by belching, acid reflux, and other symptoms. Patients with functional dyspepsia are accompanied by psychoneurological symptoms such as insomnia, anxiety, depression, and poor concentration. Patients with organic dyspepsia may have severe symptoms as mentioned above and the symptoms are not relieved even after paying attention to diet, so it is recommended that patients go to the hospital for gastroscopy to clarify which disease is causing the dyspepsia. So the symptoms of dyspepsia can be heavy or light, is based on functional or substantial to treat symptomatically, it is recommended that patients first confirm the diagnosis, then treatment, while paying attention to eating habits, avoid staying up late, more outdoor exercise.