Being hit by a car on the left side of the waist a little bit down to the pelvis area, most of them may lead to lumbar spine and pelvic injuries, and you should hang up with the orthopedic department when you go to the hospital. Car accident injuries caused by the left side of the waist to the pelvic region of the injury, may cause lumbar spine, pelvic injuries, may also lead to abdominal organs damage, such as kidney injury, abdominal bleeding, etc., it is recommended to the orthopedic outpatient clinic, you can CT, ultrasound and other tests to clarify the condition, when there is a lumbar, crotch pain is difficult to move or sweating, pallor, should be immediately called the 120 Emergency Center. Car accidents may cause deceleration injuries, impact injuries, crushing injuries, crush injuries, etc., and require immediate medical attention to avoid life-threatening delays.