1. Glasses should be placed on the formal table, generally arranged from left to right, according to the order of the meal.

2. Different types of wine should use corresponding wine glasses, such as red wine glasses, white wine glasses, champagne glasses, etc.

3. The wine glass should be placed on the right side of the tableware, opposite the fork.

4. The wine glasses should be placed from the far left, usually the red wine glasses in front, then the white wine glasses, and finally the champagne glasses. Other types of wine glasses, such as sweet wine glasses, water glasses, etc., can be placed behind them as needed.

5. Equal spacing should be maintained between the glasses, usually the gap between the bottom edges of the glass.

6. If there are more than one cup on the table, it should be placed according to the order of the progress of the meal, ensuring that the diner can easily find the right glass.

7. Be careful not to overcrowd the wine glasses, so as not to make the table look cluttered.

8. Most importantly, make sure the glass is clean and free of stains or fingerprints to provide a better dining experience.