Objective:Through measuring the bone mineral density of healthy people of Uygur dwellings in Urmqi Xinjiang,certaining the reference valus of bone mineral density in Urmqi.To analyze the regularities of changes in bone mineral density(BMD)and the prevalence rate of osteoporosis(OP).Methods:The BMD of anteroposterior position of lumbar and proximal femur in left were measured by DMS Lexxos dual emengy x-ray absorptiometer (DEXA)for health people of Uygur dwellings in Urmqi (aged more than 20 years).