The graduation dance of American high school students is one of the most important ceremonies for them to enter the adult world. Proms are usually held in very noble and emotional places in the city, and professional bands and hosts are invited to host them. All boys attending the dance must wear suits and ties, while all girls must wear noble evening dresses, do their hair, make up and slim down ... and try to present them in the most feminine way. Usually, dances are attended by couples.

The usual dance is mainly waltz. Waltz, also known as waltz, is a form of self-entertainment dance. Waltz, waltz, also often called waltz. Waltz is the earliest self-entertainment dance form in social dance, also known as round dance. The word "waltz" originally comes from Goodwin walzer, which means "rolling", "rotating" or "sliding".