钢琴即兴伴奏是钢琴演奏的一种独特的表现形式,钢琴变奏曲是钢琴演奏中最全面而综合的形式之一,即兴伴奏是钢琴演奏者融合多方面乐理知识和弹奏技能的一种表演(钢琴即兴伴奏都是根据某一个主题旋律进行编配创造,这与钢琴变奏曲的特点不谋而合)。本文从技术上、理论上、实践运用上等多方面阐述了钢琴变奏曲和即兴伴奏能力有着千丝万缕的关系。 Piano improvisation is a unique manifestation of piano performance. Piano Variations are one of the most comprehensive and comprehensive forms of piano performance. Piano accompaniment is a performance by the pianist who combines many aspects of musical knowledge and playing skills (piano Improvisational accompaniment is based on a theme melody to create the creation, which is consistent with the characteristics of the piano variation). This paper elaborates the relationship between piano variation and impromptu accompaniment in many aspects such as technology, theory and practice.