1. Seven teas, eight meals and ten drinks. In other words, tea should be served to the guests for seven points, and rice should be served to eight points, but it must be full, which is called full.
Don't point the teapot at people after pouring tea. (Show who you are cursing)
Don't make any noise when eating. (Being rude to people)
4. Keep your own side when you eat, that is, when you pick up food, you should pick up the side close to yourself, not the side close to others.
Don't just eat one kind of food you like, eat a little.
6. Don't talk while eating.
7. Hold the bowl with your hands and put your hands on the table.
8. Don't put your legs up on the table when eating.
9. Don't gobble.
10. Don't make any noise when drinking soup, and the spoon can't touch the bowl.
Then say hello to people: especially elders, be sure to say "you". No, you, me and him.
There are many more, all exquisite in old Beijing, which are quite troublesome. There are many more! ! This is basic.