Most of the femoral head falls lead to femoral head or femoral neck fracture, causing leg numbness may be related to the combined sciatic nerve injury, combined lumbar spine injury, soft tissue injury, etc., and should be treated according to the specific causes, and the treatment methods include medication, surgical treatment, physiotherapy and so on. 1. Combined sciatic nerve injury: Fracture caused by local edema can compress the sciatic nerve or fall and also damage the nerve, can cause numbness of the leg, you can choose surgical treatment, surgery at the same time to repair the nerve, after the operation, you can take nutritious nerve drugs such as methylcobalamin, vitamin B12, etc.. 2. Combined lumbar spine injury: femoral head fall injury may cause lumbar spine injury resulting in leg numbness, lumbar spine injury can be treated conservatively in mild cases, strict bed rest, and take nerve-nutritional drugs such as methylcobalamin, vitamin B12, etc., while serious injury requires surgical treatment. 3. Soft tissue injury: fall injury leads to soft tissue injury, can cause nerve tension or poor local blood circulation, leg numbness symptoms, you can carry out limb elevation, muscle contraction exercise, reduce limb edema, promote blood circulation, oral methylcobalamin, B vitamins, etc. to improve the symptoms. There may also be other causes of numbness in the femoral head in a fall, you should go to the orthopedic department of the regular hospital in time, improve the CT, magnetic resonance examination, electromyography, to clarify the cause of the disease, and then targeted treatment.