The tie that suits wear has tie, napkin, tie these 3 kinds.
Tie: suitable for any occasion during the day with suits and shirts, and at night is not particularly formal use.

Scarf is a silk scarf in the shirt as shown in the figure below. It was originally used as a morning dress for stock The simplified version of tie and other old-fashioned collar decoration gradually developed into an option used by the upper class to replace neckties and ties. It was very popular before the 1960s, but now there are fewer people using it. It is generally limited to the entertainment and cultural circles. In short, there is a literary style, which is rarely used in business occasions.

But there is another kind of scarf, cravat, which is a very retro French scarf, which is currently only used for matching morning dresses. This kind of thing is very hot, because it needs to fix the shape with a needle, and the silk one can't do it ten times at most. So it's consumable.


Bow tie: there are two common uses. One is to match the white tie or black tie used in the dress, One is a bow tie that can be used to match any shirt (well, strictly speaking, it does not include casual and American shirts). This kind of bow tie is usually used by professionals, that is to say, the three divisions (lawyers, judges, doctors) and politicians, university professors, etc. so that's why the former Chief Executive Donald Tsang has the nickname "pot top".
It is generally believed that business people who wear bow ties are more formal than neckties. But if it's a lovely, colorful bow tie.
