The recovery time for a left femoral neck fracture is at least 3 months, depending on the severity of the fracture, the patient’s age, the treatment method and other factors. The treatment of femoral neck fracture includes conservative treatment, internal fixation surgery and joint replacement surgery. Patients younger than 65 years of age should choose fracture repositioning hollow nail internal fixation surgery, the fracture healing can restore normal joint function, the recovery time is about 3 months; Patients older than 65 years of age need to choose artificial joint replacement surgery, 2-3 days after surgery can get out of bed, about 1 month to recover, the service life of the prosthesis is about 15 years; conservative treatment is suitable for patients without displaced fracture, incomplete fracture or have Conservative treatment is suitable for patients without displaced fractures, incomplete fractures or patients with contraindications to surgery, who need to be bedridden for 3-4 months. Patients with femoral neck fracture should pay attention to the prevention of complications such as urinary tract infection, pneumonia, decubitus ulcers, and deep vein thrombosis of the lower limbs during bed rest after surgery, and perform functional exercises as early as possible to help shorten the recovery time.