众所周知，老年人骨质疏松症的发病率很高。而患慢性支气管炎、阻塞性肺气肿的老年人（简称“老慢支”），更易合并骨质疏松症。 现已证实，普通老年人骨质疏松症的原因有三：钙的缺乏；激素分泌水平降低；日照与运动减少。而对于“老慢支”来说，除受这三个因素的影响外，另有 As we all know, the incidence of osteoporosis in the elderly is high. The elderly suffering from chronic bronchitis, obstructive emphysema (referred to as “old chronic bronchitis”), more likely to merge with osteoporosis. It has been confirmed that there are three common causes of osteoporosis in the elderly: lack of calcium; reduced hormone secretion; reduced sunshine and exercise. As for the “old chronic slow branch”, in addition to the impact of these three factors, otherwise