Why do ballerinas dance on tiptoe?

This is the characteristic of this kind of dance. It is not called ballet unless you stand on tiptoe.

Ballet originated in Italy and flourished in France. The word "ballet" is originally the English translation of "French" ballet, which means "dancing" or "dancing". At first, ballet was a kind of dance for mass entertainment or square performance in Europe. In the process of development, it formed strict norms and deconstructive forms. Its main feature is that actresses have to put on special pointe shoes and stand on tiptoe to dance. As a comprehensive stage art, ballet was formed in the French court in the 17th century. In 1661, King Louis XIV of France ordered the establishment of the world's first royal dance school in Paris, which established five basic feet and twelve hands for ballet, giving ballet a complete set of movements and systems. These five basic feet have been used to this day.