Suona art, with a history of more than 400 years, is characterized by (1) marrying a daughter-in-law, funeral ceremony, village temple fair, festival ceremony, housewarming and sweeping wood for birthday. Folk activities such as giving the baby a full moon will inevitably invite the suona team to entertain, showing the extensive characteristics of custom demand. (2) In Qingyang area, musicians always follow every procedure in such complicated etiquette activities as "receiving guests", "seeing off big guests", "welcoming the new", "welcoming flowers", "visiting the church", "inviting spirits", "going out to tell people", "offering sacrifices to the family" and "eating", which constitutes folk etiquette. (3) Up and down overlapping, one-part and various freestyle (round, multi-section, couplet, etc.). ) In Qingyang Suona Qupai, it conforms to the structural principles of traditional Chinese folk music, in which the commonly known "hat" is the introduction, "style" is the theme melody of a track, and "eight characters" is the end (it is multi-stage and can be decided according to the situation. The branch texture characteristics of "flat blowing" and "hanging sound" and the frequent appearance and performance of "counterpart" melody fully reflect the unique procedural characteristics. (4) According to the length of etiquette and customs, several Qupai with similar emotions and the same tonality can be freely combined to play together, and folk songs can also be played with ditties and couplets, which constitutes the flexible characteristics of Qupai couplets. (5) The performance form of folk oral literature "Cannon Leopard" is hard to find in other parts of the country and naturally has its precious characteristics.