T his article reported a 37-year-old w om an w ho w as physically attacked by her husband, w hich caused her leg injuries. In the hospital a diagnosis w as m ade of fractures of the right patella and left tibia before she underw ent an operation of open reduction and internal fixation. B ecause the husband re-fused to adm it his fam ily violence com m itted against this w om an; instead he claim ed that her low er lim b fractures belonged to the falling injuries caused by a traffic accident. T he police assigned forensic experts to judicially judge the w om an's injuries. A nd the identification results of X-ray and C T show ed that the transverse fracture of patella had been caused by m uscular violence, and that both direct and indirect force resulted in the injuries of left tibia, and the fracture of left m edial orbital w all m ight have been form ed during the violence. T his article expounded the identification betw een the injuries of fam ily violence and traffic accident by the applications of im aging, w hich em phasized the application value of im aging techniques in clinic forensic science.