This study investigates the association between business strategy and accounting comparability which was developed by Barth , Landsman , Lang , Williams (2012) and De Franco, Kothari , Verdi (2011). Using the listed and OTC companies in Taiwan from 2011 to 2019 as the research sample, the results show that companies that adopt prospector strategies under the two methods have lower accounting comparability. Companies that adopt defender strategies have an impact on accounting comparability , but the prospector have a higher degree of influence than the defender.