Inclusion Criteria:  A new initial intracapsular fracture of the femoral neck; Garden classification I or II; Accept closed reduction robot-assisted hollow nail surgery; ASA score 1-2, can tolerate anesthesia; Age 60-80 years old (inclusive); Able to fully understand and voluntarily sign informed consent.  Exclusion Criteria:  Old or pathological fractures; Patients with acetabular fracture; Those who have general conditions or accompanying diseases that make it difficult for people to tolerate surgery, such as: coagulation dysfunction, or heart, liver, and kidney dysfunction; Severe infections systemically or locally; Those who refuse to sign informed consent; In any case, if the researcher believes that the patient is not suitable for this treatment or there are other factors that affect the efficacy of the observation of this study.