1. ballet: girls need multiple sets of dance skirts, boys need multiple sets of jumpsuits and underwear, and they also need professional ballet shoes, stockings and headdresses. A ballet dancer needs at least 5-6 complete dance costumes.

2. Modern dance: Modern dance has a variety of clothing styles, which can be matched according to different dance works and performance occasions. A modern dancer needs at least 3-4 complete sets of dance costumes.