What is osteoporosis in the elderly? Primary osteoporosis is a systemic metabolic bone disease that occurs gradually with age and is characterized by an absolute decrease in bone mass per unit volume, a change in mass, a decrease in bone density and an increase in brittleness, and a tendency to fracture. Osteoporosis in the elderly refers to osteoporosis in people over 70 years of age. This osteoporosis from people do not know to gradually recognize it, more aware of it, in order to improve the quality of life, after everyone’s awareness of it more and more profound, is really more concerned about this problem. Originally, we all thought that it was normal to have osteoporosis when we were older. It is true that as we age there is a slow decrease in bone mass, but when the diagnostic criteria for osteoporosis are met, it is still important to pay attention to it. We are now talking about treating the disease before it happens, that is, you must pay attention when you gradually have this bone loss, not wait until the back are hunched, the height are short. Some patients come to the hospital and say, “Doctor, I have lost five centimeters of height, why have I lost five centimeters? This is because osteoporosis has caused a compression of the vertebrae, and gradually your height has become shorter, which is lucky, but if you are not lucky, you may fall, and then there may be multiple fractures throughout the body, and then cause bedridden is a nightmare for the elderly, many patients may be in the process of bedridden, due to other complications caused by the problem, and even lead to the end of life.