The indications for closed reduction internal fixation of femoral neck fracture are displaced fracture type I-IV, non-displaced fracture but Pauwel’s angle is more than 40 degrees, and non-displaced fracture that cannot be treated non-operatively. The indications for closed reduction internal fixation of femoral neck fracture are mainly the following 3 categories. 1. Patients with displaced type I-IV femoral neck fractures. 2. Patients with neck of femur fracture without obvious displacement, if the Pauwel’s angle is more than 40°, displacement will occur easily when using cast external fixation. 3. Patients with multiple injuries with non-displaced type II to IV femoral neck fractures that cannot be treated non-operatively. After femoral neck fracture, it is recommended to consult the orthopedic department in time, and choose the appropriate surgical treatment under the guidance of the doctor, so as not to affect the patient’s prognosis.