The bone mineral density detector is the equipment that measures bone mineral of the human body and achieves relevant data. The results mainly cover T value, Z value, bone mineral density, bone mass and etc. BMD machine provides an opportunity to test the healthiness of the bones. The earlier deduction will help to prevent osteoporosis or other orthopedic diseases. This automatic BMD detecting instrument is usually applied in Obstetrics and Gynecology, Pediatric Department, Physical Examination Center, Endocrinology Department, Orthopedics Department, Rheumatism Department, Rehabilitation Center, and Geriatrics Department.