Zhao Xiaobo. The famous duet turned into a performance artist Guan, a national first-class actor, and a northern duet turned into a national intangible cultural heritage inheritor. Errenzhuan, known as Xiaoyangge, Bijueyi and Jumping, is also known as Koukou, Bibiqu, Liu Feng, Haruka, Banban Opera and Northeast Local Opera. It is a unique folk art form with a history of more than 300 years and a long primitive culture.