Frequent belching (hiccups) without eating may be gastric diseases, neurosis, neurogenic diseases, chest diseases, diaphragmatic diseases and so on. 1. Gastric diseases: chronic gastritis, peptic ulcer and other gastric diseases, gastric mucosal edema, glandular atrophy, ulcers and other changes, resulting in decreased peristalsis, food stays in the stomach for a long time, increasing gas production, resulting in belching. 2. Neurosis: usually due to mental psychological factors leading to swallowing more gas, leading to belching and other symptoms, usually no organic lesions. 3. Other diseases:Neurogenic diseases, such as cerebral hemorrhage, encephalitis; chest diseases, such as mediastinal tumors, esophageal cancer; diaphragmatic diseases, such as diaphragmatic inflammation, diaphragmatic hernia and so on can also have belching symptoms. Frequent belching without food intake should be treated in a hospital, and the cause should be identified and treated under the guidance of a doctor.