Checking for necrosis of the femoral head, for obvious femoral head necrosis, can be determined by an X-ray of the pelvis. The cost of a simple pelvic X-ray is usually about$200. If you are considering early femoral head necrosis, X-ray examination is not necessarily accurate and reliable, mainly to improve the pelvis of the magnetic resonance examination, the cost of magnetic resonance examination is about 800 yuan. Necrosis of the femoral head can be caused by many factors, such as congenital developmental problems, long-term smoking, drinking, or long-term use of large amounts of hormones due to certain diseases. Once necrosis of the femoral head has been determined, the treatment plan varies according to the degree of necrosis. If the necrosis of the femoral head is in the early stage, it can be treated conservatively, such as activating blood circulation and removing blood stasis with medicines such as danshen tablets and capsules for activating blood circulation and relieving pain. If it is advanced femoral head necrosis, the best treatment plan is still to choose joint replacement, the cost needs 30000-40000 RMB.