Belching, or burping, is your body s way of expelling excess air from your upper digestive tract. Most belching is caused by swallowing excess air. You may swallow excess air if you eat or drink too fast, talk while you eat, chew gum or suck on hard candies, drink carbonated beverages, or smoke. Belching can also be brought on by certain ailments such as indigestion, heartburn (GERD), hiatal hernia, peptic ulcer, and gallstones. You can reduce belching if you: Eat and drink slowly. Taking your time can help you swallow less air. Try to make meals relaxed occasions; eating when you re stressed or on the run increases the air you swallow. Avoid carbonated drinks and beer. They release carbon dioxide gas. Skip the gum and hard candy. When you chew gum or suck on hard candy, you swallow more often than normal. Part of what you re swallowing is air. Don t smoke. When you inhale smoke, you also inhale and swallow air. Check your dentures. Poorly fitting dentures can cause you to swallow excess air when you eat and drink. Get moving. It may help to take a short walk after eating. you can try home remedies like Ginger , fennel seeds , peppermint tea . if all these remedies do not work see a gastroenterologist for further evaluation, Hope this helps