Introduction to bone flutes: From 1984 to 2001, more than 30 bone flutes made from the ulna (wing bones) of cranes (red-crowned cranes) were successively unearthed at the Jiahu site in Wuyang, Henan Province - but the Jiahu site, however, It is a prehistoric settlement site where the ancestors of the Chinese people lived together 7,800 to 9,000 years ago. The emergence of the Jiahu bone flute undoubtedly provides precious physical data for studying the development history of Chinese music and musical instruments.