The invention relates to the field of pianos, in particular to a piano keyboard, a notation method and a music score. The piano keyboard comprises forty-four white keys (1) and forty-four black keys (2), each complete keyboard group comprises six white keys (1) and six black keys (2), and the white keys (1) and the black keys (2) in each complete keyboard group are sequentially and continuously staggered. According to the notation method, tablatures are used for notation, notes of the white keys (1) of the piano keyboard are notated among lines of the tablatures, notes of the black keys (2) ofthe piano keyboard are notated on the lines of the tablatures, and the white keys (1) and the black keys (2) are sequentially and continuously notated in a staggered manner. According to the keyboard, the notation method and the music score, any tones, syllables, syllable names and keyboard positioning can be in one-to-one correspondence, so that identification, notation and playing methods of different tones are simplified.