1. A music score recognition method, adapted for a computer system comprising an image capturing apparatus, the music score recognition method comprising: detecting a music score; searching a bar line to obtain at least one measure in the music score; planning a recognition order according to positions of the measures in the music score; controlling the image capturing apparatus to capture one of the measures 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 measures until each of the measures has been processed.