The invention relates to a medicament for treating femoral head necrosis, which is prepared from the following components in certain parts by weight: figwort, cornel, Acorus gramineus, ephedra, clove, saururus chinensis, red tangerine peel, rhizoma sparganii, rhubarb, Chinese holly, eupatorium, rhizoma anemarrhenae, tuckahoe, dried orange peel, moutan bark, coltsfoot flower, kudzu root, heracleum hemsleyanum michaux, Rhizoma Zedoariae, selfheal, dark plum, root bark of white mulberry, myrrh, Curculigo orchioides, folium artemisiae argyi, lychee seed, Rhodiola rosea, acanthopanax bark, rangooncreeper fruit, emblic leafflower fruit, Fructus Forsythiae, immature bitter orange, rhizoma alismatis, gromwell, Ligotidis Herba, Phytolacca acinosa, rose, magnolia flower, Herba Polygalae Japonicae, radix sileris, dried ginger, Folium Turpiniae, murraya jasminorage, rhizoma arisaematis, rhizoma pleionis, morinda root, pomegranate rind, morning glory seed, gerba pyrolae and marsdeniae tenacissimae caulis. The medicament provided by the invention has the advantages of accessible raw materials and exact curative effect; and tests prove that the medicament is high in effective rate and low in cost.