According to historical records, Xiao and Dizi existed at least 4000 years in China.  The earliest material used to make Dizi and Xiao was from the bones of the wings of the big birds. Today it is made from bamboo.

Di was common name for both Dizi and Xiao.  Later people separated the two by naming the one which play with vertical blowing position ' Xiao'.

The timbre of Dizi is clear and bright.

The timbre of Xiao is soft and elegant.