Different management agencies have different examination scopes and standards. The Zhejiang Musicians Association is a local music organization, the China Opera and Dance Theater is a national art troupe, the Zhejiang Musicians Association’s grading examinations mainly cover the field of music, the China Opera and Dance Theater mainly focuses on the fields of vocal music and dance, and the Zhejiang Musicians Association’s grading examinations The Zhejiang Music Association will assess the level and grade of candidates based on the standards and examination content. The China Opera and Dance Theater will set the standards and content for the China Opera and Dance Theater assessment to assess the level and grade of the candidates.