随着人类社会的进步发展,人类的寿命逐渐延长,人口老龄化日益增加。中国现有60岁以上老年人口近1亿,是世界上老年人口最多的国家,也是世界上人口老年化速度最快的国家之一。到2025年,我国65岁以上老年人在总人口中所占比例将达15％。老年人由于心理应激能力减退,抑郁症发生的可能性增加,据报道老年抑郁症发生率高达78％,提示生活事件及产生的心理压力是老年抑郁症发生的重要因素。 With the progress and progress of human society, the life expectancy of human beings has been gradually prolonged, and the population aging has been increasing. China now has nearly 100 million elderly people over the age of 60, making it one of the countries with the largest elderly population in the world and one of the fastest-growing population in the world. By 2025, China’s population over the age of 65 will account for 15% of the total population. Elderly due to psychological stress decreased, the possibility of depression increased, the incidence of senile depression is reported as high as 78%, suggesting that life events and psychological stress is an important factor in the occurrence of depression in elderly.