Objective To observe the clinical effect of embedding thread at Shenshu(BL 23) for preventing and treating primary osteoporosis.Methods Seventy cases,who had been treated in 2001-2003 at our hospital,were selected and the bone mineral density(BMD) before and after treatment and the incidence condition of bone fracture during 5 years after treatment were analyzed in the embedding thread group and the medication group.Results The BMDs of hip and lumbar vertebrae were both increased in the embedding thread gro...