The method for converting scanning information of a computer tomography scanner into bone parameters of the present invention includes the steps of: providing a computer tomography scanner, a subject and two prostheses of known composition； shooting through the computer tomography scanner to obtain the corresponding received Sample scanning information and two prosthesis scanning information； the computing device receives the subject scanning information and the two prosthesis scanning information； the computing device calculates the energy attenuation coefficient of the computer tomography scanner through the physical function model corresponding to the two prosthesis, the physical function model Including the known components of the two prostheses and the scanning information of the two prostheses； providing the energy correction coefficient to the computing device； and the computing device obtaining the bone parameters of the subject through the real relationship function, which includes the energy attenuation coefficient of the computer tomography scanner 3. Scanning information and energy correction coefficient of the subject.本發明的將電腦斷層掃描儀的掃描資訊轉換為骨骼參數的方法，包括步驟：提供電腦斷層掃描儀、受檢體及已知成分的兩假體；透過電腦斷層掃描儀拍攝以取得對應的受檢體掃描資訊及兩假體掃描資訊；計算裝置接收受檢體掃描資訊及兩假體掃描資訊；計算裝置透過兩假體對應的物理函數模型計算電腦斷層掃描儀的能量衰減係數，物理函數模型包括兩假體的已知成分及兩假體掃描資訊；提供能量修正係數給計算裝置；及計算裝置透過真實關係函數獲得受檢體的骨骼參數，真實關係函數包括電腦斷層掃描儀的能量衰減係數、受檢體掃描資訊及能量修正係數。
