Currently, the incidence of necrosis of the femoral head has been rising, especially in winter when it is more prevalent. But as winter turns to spring, although this is a good sign, there is no substantial relief from the pain in the femoral head. Chinese bone health experts point out that treatment for necrosis of the femoral head isn't suitable in every season. Even if treatment is administered in winter, the weather can add a burden to recovery. Summer is the best time for treating necrosis of the femoral head.