Femoral neck fractures can take up to 3 months or more after nailing before they are ready to walk on the ground. This is because this fracture needs to be prevented from developing complications of non-union of the fracture, as well as femoral head necrosis. If the surgeon has already performed the nail removal, it means that the fracture has healed, but after the nail is removed, there are still nail holes in the femoral head area that have not healed completely. Compared to a normal femoral head, it is very brittle at this point and if one still walks normally or weighs more, a femoral fracture can easily occur in this area. Therefore, after the nail is removed, there should be crutches for 3 months, so that the bone in the nail hole area is completely healed before walking on the ground normally, at this time the femoral head is much stronger than before, and can withstand its own gravity, and the possibility of femoral head necrosis is lower.