Hiccups can be caused by bad eating habits, indigestion or diaphragmatic spasms. 1. Bad eating habits: If you talk or eat too fast during meals, air will enter the stomach and cause hiccups. This situation does not require special treatment, improve the eating habits can be, if frequent hiccups, you can drink more water and other ways to relieve the symptoms. 2. Indigestion: If you eat irregularly, frequent overeating may cause indigestion, which in turn causes hiccups. You can rub your abdomen clockwise or promote bowel movement. Usually it can be relieved by improving the dietary pattern. 3. Diaphragmatic spasm: diaphragmatic spasm can also cause hiccups, the patient can go to the hospital to improve the relevant examination to see whether there is abnormal development of the diaphragm or other diseases caused by the diaphragm continuous contraction of the situation. Hiccups can be caused by a variety of reasons, if accompanied by other uncomfortable symptoms, it is recommended to consult a doctor in a timely manner.