If there are as many people dancing in the square dance as there are people dancing in the square dance, then they should be arranged in a straight line in the order of height, and the movements should be neat, standardized and unified. /kloc-if 0/5 people dance, let the extra people lead the dance. The lead dancer requires excellent figure, appearance and dancing. The center of gravity, focus and bright spot are all on her, and she can shuttle between the two teams flexibly.