一、老年的概念衰老是每个人都要经过的一个阶段,老年变化是一个逐渐积累的长期变化过程,在二十几岁达到生长发育的顶点以后,就开始了不知不觉的衰老变化。到老年时期,特别在七十岁以后,外貌、体力和精神的变化明显地表现出来。联合国关于老龄化的标准是以65岁以上为老人,亚大区规定为60岁。我国老年医学会在1982年规定60岁以上为老年 First, the concept of aging Aging is that everyone needs to go through a stage, aging changes is a gradual accumulation of long-term changes in the process of growth and development in the twenties reached the culmination of the beginning of unknowingly aging changes. By the age of seventy, especially after the seventy years of age, changes in appearance, physical strength and spirit are clearly manifested. The United Nations standards on aging are based on the age of 65 and above, and the Asian Region is 60. China’s Association of Geriatrics in 1982, 60 years of age or older