The jumpsuit can completely tightly wrap the body and fully show the figure and movements, so dancing requires such a completely tight suit. The function of pantyhose is to make legs softer and more beautiful, highlight leg lines and cover skin defects. This is also the reason for wearing jumpsuits and pantyhose during the exam: for the sake of aesthetic effect and convenience.

There are single toilets in dance practice fields in developed countries. Actors and students can lock the door and undress at any time, and there is no trouble in going to the toilet.