功能性失能主要包括力量、平衡、速度、处理人际关系的信心及处理日常活动的信心等方面的功能障碍。它与人的实际能力无关,但却影响老年人的生活方式及生活质量。本文利用MacArthur的研究资料,分析在健康老年化社会里,老年人自信度改变与自我感知功能失能的关系。对象与方法采用MacArthur“老龄化社会研究”研究网的 Functional disability mainly includes functional barriers such as strength, balance, speed, confidence in dealing with relationships, and confidence in handling daily activities. It has nothing to do with people’s actual ability, but it affects the elderly’s lifestyle and quality of life. This article uses MacArthur’s research data to analyze the relationship between changes in seniors’ self-confidence and self-perceived functional instincts in a healthy aging society. The object and method used by MacArthur “Research on Ageing Society”