By its characteristics osteoporosis is part of the rheumatology, a branch of medicine dealing with inflammations, autoimmune and degenerative diseases of the locomotor system. Osteoporosis is part of the metabolic rheumatism. This is a chronic, systematic and progressive disease of the skeletal system. Its main characteristic is a low bone density which leads to increased bone fractures and tendency to fractures when traumatised with minimal strength. Mostly, it affects our spine which is the pillar of our body. A lower bone density happens when the bone lacks calcium that insures the bone strength. This disease is one of the main causes of disability among the older population. It manifests through the lower back pain, height loss and slouch. The disease is diagnosed by RTG. Osteoporosis can come along with other diseases like ankylosing spondylitis and rheumatoid arthritis. To prevent this disease or to slower it down, it is recommended to be physically active, to intake vitamin D, to be outside in the Sun, decrease the amount of intaken alcohol and to stop smoking. The factors of risk are: diet, not enough of physical activity, depression, other medicines, cigarettes, genetics and low weight. A nurse has a great role in prevention and treatment of osteoporosis because he/she can actively participate in many important situations as part of the team. The nurse is there with the patient on the daily basis and he/she can diagnose the osteoporosis or osteopenia through the conversation. He/she gives the patient all the information dealing with the treatment of the osteoporosis. He/she warn the patients about the risks, tell them all about prevention and possible treatment according to the patient’s state. When talking about the prevention it is important to take care about the diet, specially calcium and exercises. It can be treated with medicines and physical therapy. In the ned of this paper, there is an example of one case through diagnoses, symptoms, treatment and conversation which represent the real picture of the osteoporosis.