Bamboo spring (pinyin: zhú huáng) is also known as ringing bamboo, blowing bamboo, playing bamboo, mouth contempt, mouth spring, harmonica, mouth string. It has a long history and various forms. It is a comprehensive performance of Yi, Lahu, Naxi, Lisu, Dai, Hani, Jingpo, Wa, Brown, Nu, Dulong, Jinuo, Pumi, Miao, Tibetan, Lhoba, Qiang, Kazakh, Hui, Gaoshan, Li and Han nationalities in China. Body sounding instrument. It can play solo, unison, ensemble or accompany song and dance, and it occupies an important position in people's productive labor and daily life. Popular in Yunnan, Guizhou, Sichuan, Tibet, Xinjiang, Ningxia, Shaanxi, Guangxi, Guangdong, Taiwan, Hainan and other provinces.