To examine behavior changes among formal caregivers in Taiwanese long-term care facilities (LTCFs) after receiving training in function-focused care for cognitive impairment (FFC-CI). The current study was a clustered randomized controlled trial. Formal caregivers (i.e., RNs and nursing assistants) (N = 98) from four LTCFs were randomly assigned to experimental or control groups. Training was based on four components of FFC-CI. Data were collected four times within 9 months using five observational outcome measurements: Self-Efficacy for Restorative Care (SERCS), Outcome Expectations for Restorative Care Scale (OERCS), Restorative Care Knowledge Scale (RCKS), Restorative Care Behavior Checklist (RCBC), and Job Attitude Scale (JAS). Statistically significant changes were noted in each activity of restorative care behavior among the four observational measurements. Results also indicated that job satisfaction was a statistically significant main effect for the experimental group; however, SERCS, OERCS, and RCKS scores were not statistically significant. To eliminate gaps between translating research outcomes to clinical practice, this study applied a theory-based caring model for caregivers to improve knowledge and skills in caring for older adults with dementia. Caregivers who received training in FFC-CI not only had higher job satisfaction but could also provide specific FFC activities for residents during their daily care. [Journal of Gerontological Nursing, 50(7), 42-50.].