The recovery time for a left femoral neck fracture takes at least 3 months. How to treat left femoral neck fracture needs to be analyzed in combination with age. If the left femoral neck fracture is over 60 years old, joint replacement is recommended. 2 or 3 days after the joint replacement surgery, you can get out of bed and the recovery time is faster. However, the post-arthroplasty prosthesis has a certain service life of 15 years on average. Avoiding long-distance walking and strenuous exercise will help reduce the wear and tear of the prosthesis and avoid flexing the hip more than 90 degrees, otherwise it may lead to dislocation of the prosthesis. If the femoral neck fracture is under 60 years old, choose surgical internal fixation treatment. It takes at least 3 months for the fracture to heal after internal fixation treatment, avoid premature weight bearing on the ground to reduce the probability of femoral head necrosis. In case of distant femoral head necrosis, joint replacement etc. can be considered for remedy.