Necrosis of the femoral head, foot bath or fumigation method can be used, the choice of drugs such as bone bone marrow, translucent grass, elongation grass and so on. The above medicines are in the position of tonifying the kidney and filling the essence, activating blood circulation and removing blood stasis, dispelling wind and removing dampness, and relaxing the tendons and activating the collaterals, and they can be decocted and then soaked in the foot or medicated bath through the method of medicated bath. You can also use the method of fumigation, for example, you can use Cang Er Zi and other drugs to tonify the kidneys and activate blood, open up and move qi, with the above method of foot soaking can alleviate the local pain of the femoral head, with the effect of activating blood circulation and removing blood stasis. Foot soaking after necrosis of the femoral head has a great auxiliary effect, if the necrosis of the femoral head has already had serious collapse or hip joint gap changes, simple foot soaking can not be reversed, and medicinal baths can only improve the need for comprehensive treatment, including surgery.