Burping is normal after meals. It releases trapped gas. Eating fast or stress can cause more burping. Frequent burping may signal gut problems. Acid reflux or H. pylori could be the reason. Stress also causes air swallowing. A doctor visit is needed for persistent burping with pain. Slow eating and probiotics may help. Avoid soda and manage stress.source https://timesofindia.indiatimes.com/life-style/health-fitness/from-indigestion-to-infection-what-frequent-burping-could-mean/articleshow/123897514.cms