Objective To analysis the relelative of osteoporosis and carotid atherosclerotic plaque.Methods The BMD of abdominal vertebra and neck with left femur were measured by dual-energy X-ray absorptiometry from USA.United States (LUNAR PRODIGY type).Double Carotid color ultrasound were conducted,and the production from the United States of 512 SEQUOLA.Results 48 patients bone mineral density with carotid artery plaque (including unilateral or bilateral carotid artery) were measured again,in varying degrees of osteoporosis.Conclusion Bone metabolism and vascular structural change were relevant,which can open up new paths for their prevention and treatment