Objective T o investigate the m ain point of long backbone fracture caused by blunt force in forensic clinical identification and to provide a reference for the inspection and appraisal practices of such injury. Methods N inety-nine cases of adult long backbone fractures were collected from January 2006 to D ecem ber 2013 in G utian C ounty of Fujian Province. A ccording to the term s of fracture loca-tion, m ode of injury, type, the data were sum m arized. Results In the 99 cases, there were 36 cases caused by hitting, kicking, and falling and 63 cases caused by vehicle collision. T he m ajority of the for-m er was ulna, and those of the latter were tibia and fibula. T he types of fracture were transverse one, short oblique one, long oblique one, and spiral one. Conclusion D ifferent types of long backbone frac-ture, not only causing stress load of fractures as well as structural differences related to each segm ent.