Many stroke survivors suffered postural and balance problems. Decreased mobility limits their daily life activities. Virtual reality balance training has already been used in stroke rehabilitation, and previous studies supported that could improve balance ability. The mechanism is multi-sensory feedback and repeated practices that could facilitate motor learning and brain neuroplasticity. Compared to conventional rehabilitation, VR rehabilitation could increase subjects' motivation and pleasure. Although the treatment effects were supported in studies, there are still limitations in clinical intervention and the study power is not enough.