In the context of the standardization of development of the modern music performance industry, piano art direction has also been a necessary supporting role in vocal and instrumental performances, and improvisational accompaniment has become the main professional competence of it. Considering the career demands of piano art direction, this paper examines the components of the improvisational accompaniment skill set, determines the existing practical flaws in training programs, and presents specific training directions along four aspects: basic skills, teaching approaches, practice structures, and competency formation. The objective is to polish professional training models, improve the capabilities of art directors in on-the-spot adaptation, harmonic arrangement and emotional expression, so as to raise a new generation of high-quality piano art direction professionals to the industry.