The typical signs of posterior hip dislocation are mainly reflected in the following aspects: 1. After the injury, the hip will have severe pain, swelling, and restricted movement, and the patient usually cannot stand and walk. 2. The affected limb will show flexion, adduction, internal rotation, and shortening deformity. 3. The hip on the affected side will appear bulging, and the greater trochanter will move up and out, and the femoral head can be touched at the hip. 4. The patient is usually unable to move actively, and the abduction and external rotation will present a state of elastic fixation. The above are the typical signs and symptoms of posterior hip dislocation. To make a clear diagnosis, it is necessary to cooperate with some auxiliary examinations, such as a local plain X-ray to make a clear diagnosis. Patients with posterior hip dislocation can usually be actively repositioned by manipulation, and after successful repositioning, they must be strictly bedridden for a period of time, and if necessary, bone traction must be continuously performed.