Abstract: With the prolongation of human life, the incidence of osteoporosis is rising.It's important to early diagnosis and prognosis. At present, osteoporosis and its complications are diagnosed mostly by imaging methods. Compared and evaluated the advantages and limitations of traditional imaging technologies,such as double energy X-ray, quantitative CT et al, especially quantitative assay of radionuclide skeletal scintigraphy became a new parameter for osteoporosis diagnosis.