1. A music score recognition method, adapted for a computer system comprising an image capturing apparatus, the music score recognition method comprising the steps of: detecting a music score; searching a bar line to obtain at least one measure in the music score; calculating an amount of the obtained at least one measure; obtaining a center position of each of the obtained at least one measure; planning a recognition order according to positions of the at least one measure in the music score, wherein the step of planning the recognition order according to the positions of the at least one measure in the music score further comprises; calculating a turning angle of a lens of the image capturing apparatus for turning the lens from an initial position to target on the center position of each of the at least one measure; and recording corresponding relations of the at least one measure and the turning angles corresponding thereto; controlling the image capturing apparatus to capture one of the at least one measure according to the recognition order; recognizing at least one music information in the captured measure; outputting the music information; and performing the steps of controlling the image capturing apparatus, recognizing the captured measure, and outputting the music information on other ones of the at least one measure until each of the at least one measure has been processed.