China. In China, burping is treated as any other bodily process, and after a meal, it can indeed serve as a compliment to the chef. It's probably China that originated the pervasive myth about complimentary burping abroad. Sometimes, this rule is conflated with a Japanese one that has to do with slurping.
The Chinese dislike being touched by strangers. Do not touch, hug, lock arms, back slap or make any body contact. Clicking fingers or whistling is considered very rude. Never put your feet on a desk or a chair.
In China and Taiwan, burping is the highest form of flattery—it means you like the food! “The host considers the noise a compliment,” says Patricia Napier-Fitzpatrick, founder and president of the Etiquette School of New York.
Burping is seen (and heard) as rude and crude. But burping (or belching) serves an essential purpose and shouldn't be silenced. Belching is a protective mechanism that prevents the stomach from overinflating.
It is OK to burp in public, but please pardon yourself:
"Australians often say, 'excuse me' to get a person's attention and 'sorry' if they bump into them. They also say, 'pardon me' or 'excuse me' if they burp or belch in public or in a person's home." This is slightly confusing.
When eating from shared dishes (as it is commonly done at some restaurants such as izakaya), it is polite to use the opposite end of your chopsticks or dedicated serving chopsticks for moving food to your own dish. Blowing your nose at the table, burping and audible munching are considered bad manners in Japan.
2. Burping is considered a sign of gratitude. In China, burping is seen as a sign of satisfaction with the meal and is considered a compliment to the chef, so don't be surprised if it happens at the dinner table.
Eating Culture and Etiquette. In general, Americans eat quietly with their mouths closed. Burping is seen as rude, not as a compliment to the cook.
British people are sticklers for dinner table manners. When you are eating you should keep your elbows off the table, hold your cutlery appropriately and keep your mouth closed while chewing. Eating noisily is a big no-no. Most importantly, do not, under any circumstances, burp at the dinner table.
Guizi (鬼子; pinyin: guǐzi) is a Mandarin Chinese slang term for foreigners, and has a long history of being used as a racially deprecating insult.
In Chinese culture, some of the most common taboos involve gift-giving, birthdays, and weddings.
Making eye contact in China is a sure-fire way to make enemies, not friends. The Chinese people view eye contact as a necessary tool, but not in the same way that other cultures do. In China, people make eye contact when they are angry. It is meant to challenge the other person and is a sign of disrespect.
Slurping your noodles loudly is considered a compliment to the chef throughout Japan and China – a sign of deep appreciation for your one-bowl meal. In South Korea and Singapore, however, not so much.
Western cultures teach that one must eat quietly and never ever make slurping sounds when it comes to noodles or broth or anything else for that matter. Cultures such as Chinese and Japanese, highly encourage slurping noodles as an expression of enjoyment and appreciation of the food being eaten.
Society and culture
Some South Asian cultures view burping as acceptable in particular situations. For example, a burping guest can be a sign to the host that the meal satisfied them and they are full. In Japan, burping during a meal is considered bad manners.
1- Don't: Eat with an open mouth or make unnatural noises. While in other cultures, burping or smacking might be a signal that the food was good and enough, in Germany you try to eat as quietly as possible.
Absolutely no burping. To push your food around with your knife in a picky way, and only eat some morsels. To spread pâté or cheese on a big piece of bread as if you were making a sandwich. To mop up the sauce with bread (certainly not holding the bread with your finger.
In Indian culture, how much you eat is considered an indication of your enjoyment of the meal. In the face of such politeness, you'd think burping would be extremely rude. Not so! Well to be precise, in some states in India, not burping is actually frowned upon.
Basic Etiquette
Give and receive everything with two hands. Serve others before serving yourself. Burping, spitting and other related behaviours are considered rude and impolite for most. However, this attitude may vary among the older generation.
Certain cultures (including Germans, some Middle Easterners and Chinese) favor a strong burp as a compliment to a delicious meal. Others consider it rude (the Japanese, Italians and the French).
Fortunately, your smile is unlikely to be considered rude or offensive, but it might cause misunderstanding since it is not a part of Japanese culture.
6 China: Leave Food On Your Plate
This is the case in China. It's considered rude to eat everything on your plate because doing so implies that you're still hungry, even if you're not. That means that the host hasn't done a satisfactory job of providing enough food and can make them feel bad.
If you're walking around temples and shrines, it is a good idea to be respectful and have a top layer with sleeves and no tummy or cleavage showing. However, it is not a rule and you'll sometimes see Japanese people not following these dress-code standards.