Bela Bartok is one of the most influential composers of 20^(th) century whose piano pieces is infused with Hungarian folk music idiom and is characteristic for its percussive use of piano. Allegro Barbaro represents Bartok's truly individual style. The purpose of this study is to offer a better understanding of Allegro Barbaro through detail discussing of style characteristics and musical interpretation from the standpoint of performer and pedagogue. The author starts this paper by introducing Bartok's achievements in musicology, piano performance, pedagogy and compositions in solo piano music. Next, investigate the musical style characteristics of Allegro Barbaro. Finally, analyze the application of piano technique and musical interpretation. It is hoped that this paper may serve as a reference for performers and pedagogues and bring up their interest to Bartok's music.