How to wear a men's shirt?

1, the color is monochrome, and white is needed for formal occasions. The neckline should be straight and tidy. Shirt hem must be tucked into pants, shirt cuffs should be one centimeter longer than suit cuffs, and shirt collar should be 0.5 centimeter higher than suit.

When wearing a tie, all buttons of the shirt should be buttoned.

In your own office, you can take off your suit jacket and wear a long-sleeved shirt and tie directly, but you can't go out to do things.