The purpose of the present study was to investigate the effect of postural training with cerebellar anodal trans-cranial direct current stimulation (a-tDCS) on balance and postural stability in older adults with high risk for falling. This study has clinical trial design. Using sequences of random numbers method, participants were randomly divided into two groups. Group I receive 20 minutes a-tDCS over the cerebellum region during two-week postural training and Group II receive two-week postural training with sham tDCS (mounted TDCS electrodes over the cerebellum region without any TDCS currents for 2 minutes). Postural training will be performed on Byodex Balance System (BBS) for 20 minutes following 3 sessions in each week for two-week. The participants with 60-80 years and high risk for falling will be included. Participants who have history of neurological diseases or musculoskeletal disorders, severe perceptual and memorial problems, brain diseases, visual and auditory problems, lower extremity pathology and range of motion limitation will be excluded. All participants will be asked to stand on each static and dynamic level of BBS platform for 30 seconds, before and after receiving a-tDSC treatment. Accordingly, the anterior/posterior, medial/lateral and overall stability indices will be analyzed before and after a-tDCS treatment. In addition, before and after interventions, the falling sensation, stability indices and balance will be assessed by fall risk assessment tool, BBS and Berg balance scale, respectively. Both participants in each group and assessors were blinded to the experimental conditions and interventions (active or sham a-tDCS). Accordingly, the study will be double blind.