Purpose This study compared the impact of the level of cognitive function and balance on activities of daily living in patients with post stroke hemiplegia based on the cutoff point and score of the KMOCA, BBS, and MBI. Methods The scores and cutoff point of the Berg balance scale (BBS), KoreanMontral Cognitive Assessment (KMOCA), and Modified Barthel Index (MBI) were compared among 114 patients who had been diagnosed with stroke at least six months earlier. Results There were differences in the scores and cutoff point of KMOCA according to the affected side. Balance, level of cognitive function, and activities of daily living were found to be strongly correlated as shown by the comparison of total scores and cutoff scores. Conclusions When cutoff point are used, disability standards can be identified for Balance, level of cognitive function, and activities of daily living.