What is the reason for the old hiccups?

If you burp a lot, it may be caused by slow gastrointestinal motility or too much eating. Secondly, it may be caused by stomach problems, such as chronic gastritis, gastric ulcers, etc. Suggestion: You can go to the gastroenterology department of the hospital for a gastroscopy, or you can Consider an upper gastrointestinal barium meal for diagnosis.