Reasons for the Popularity of Sado in the Tang Dynasty and the Song Dynasty

Sado began in the Wei and Jin Dynasties,formed in the middle Tang Dynasty,and was popular in the Song Dynasty.A series of procedures,etiquette,and rules were formed and established gradually in the Tang Dynasty and the Song Dynasty.The social and economic conditions were the material foundation for the popularity of sado in the Tang Dynasty and the Song Dynasty.Further research on its medical functions and health preserving philosophy promoted its evolution.Literati's moral character characteristics guided its development,and the aristocratic characteristics of diet culture made it delicate.For these reasons,it is inevitable that sado was popular in the Tang Dynasty and the Song Dynasty.