Osteoporosis(OP),a systemic metabolic bone disease with characteristics of bone loss and bone mass reduction,with bone tissue microstructure destruction and increase of bone fragility that is prone to fracture,is an important hidden danger affecting the bone health in the middle-aged and elderly people in China.Accurate assessment is crucial for prevent and treatment of OP.In recent years,more and more scholars have paid attention to the research of osteoporosis by various imaging techniques,including dual-energy X-ray,computed tomography,quantitative ultrasound,magnetic resonance imaging and other technologies.In this article the research progress regarding OP assessments is reviewed to provide a reference for clinicians.