What are the types of feet?

Greek ruler, Egyptian ruler, Roman ruler, square ruler

Egyptian foot-the big toe is longer than the second toe. Greek foot-the big toe is shorter than the second toe. Roman foot-the five toes are all about the same length, especially the big toe and the second and third toes are basically the same length. Square feet-the big toe and the second toe are equal in length.

In China, Egyptian type accounts for more than 60%, followed by Greek foot and square foot, and Roman foot is rare.