This study aims to evaluate the effects of interactive robot-based games on cognitive function, neuropsychiatric symptoms, and quality of life in patients with mild cognitive impairment and dementia. The investigators plan to recruit 80 participants and randomly assign them to a control group or an experimental group; the experimental group will participate in robot games for 12 weeks, while the control group will receive routine care. Data will be collected via questionnaires to investigate whether robot games can improve cognitive function, neuropsychiatric symptoms, and quality of life in patients with mild cognitive impairment and dementia.