"School" used to be a fence made of wood or bamboo as a place to raise horses, and later it gradually evolved into a place to practice martial arts and fight. The "school" in Xia Dynasty was also a local educational place with moral education as its main content, and it was also a place where the imperial court carried out religious orders and managed the people. The educational contents and purposes of Xia Dynasty include military training, religious education and moral education of interpersonal relationship.