Purpose Over the last few decades, awide range of exercises have been shown to provide hemiplegic patients a more stable and dynamic balance. Moreover, core stability exercises for hemiplegic patients after a stroke have become increasingly significant in rehabilitation units. Method This study examined the therapeutic effects of the core stability exercises on the static and dynamic balance of hemiplegic patients. A total of 10 hemiplegic patients (4 males, 6 females, age ranging from 37 to 81 years) were enrolled in this study. The subjects in the experimental group participated in the core stability exercise program consisting ofa total of 12 sessions 3 times per week, over a 4-week period with each exercise lasting for approximately 15 minutes. Result The static and dynamic balance by the Berg Balance Scale (BBS) and Timed Up and Go (TUG), respectively, were measured before and after the core stability exercises. A Wilcoxon signed ranks test and Mann-Whitney U test were used to compare the static and dynamic balance before and after the core stability exercises in the hemiplegic patients in each group and inter-groups, respectively. Conclusion The core stability exercises were relatively effective in improving the static balance; BBS. The core stability exercises were quite effective in improving the dynamic balance; TUG (p＜.05). Overall, core stability exercises are believed to be an important therapeutic method in rehabilitation programs for hemiplegic patients.