Inclusion Criteria:  fresh femoral neck fracture can walk before fracture less than 65 years old  Exclusion Criteria:  Patients combined with other bone fractures. Pathological fracture (e.g., primary or metastatic tumor) Serious soft tissue injury, judged by the investigator, will impact the union of the fracture, combined open fractures, vascular injury, and combined osteofascial compartment syndrome. Multiple systemic injuries judged by researchers not suitable for enrollment. Revision surgeries (for example, due to malunion, nonunion or infection) Concurrent medical conditions judged by researchers not suitable for enrollment, such as: metabolic bone disease, post-polio syndrome, poor bone quality, prior history of poor fracture healing, etc Patients known to be allergic to implant components Patients who are currently using chemotherapeutics or accepting radiotherapy, use systematically corticosteroid hormone or growth factor, or long-term use sedative hypnotics (continuous use over 3 months) or non-steroidal anti-inflammatory drugs (continuous use over 3 months) Subjects have significant neurological or musculoskeletal disorders or may have adverse effects on gait or weight-bearing (e.g., muscular dystrophy, multiple sclerosis, cerebral infarction, hemiplegia, Charcot arthropathy, avascular necrosis of the femoral head).