WEBXiao (箫) The Xiao ( 箫 ) is a Chinese vertical end-blown flute. It is generally made of dark brown bamboo (called “ purple bamboo ” in Chinese). An ancient name for the xiāo is shùdí (竖笛, “vertical bamboo flute”). The Xiāo is a very ancient Chinese instrument usually thought to have developed from a simple end-blown flute ...