Objective To assist the making of operation scheme of personalized orthopedics surgery by simulation analysis method, and provide better biomechanical basis for ortho-bridge system in the treatment of tibia shaft fracture. Methods A35-year-old male patient with oblique shaft tibia fracture was selected, and 64 slice spiral CT continuous scan detection with spacing of 0.5 mm was performed along the axial direction of the right leg, and sectional images were saved as digital imaging and communications in medi...