The invention relates to a medicament, in particular to a medicament for treating lung cancer, which solves the problem of inapparent curative effect of the conventional medicaments for treating the lung cancer. The medicament comprises is prepared from the following raw materials by conventional method: mongolian dandelion herb, centipede, scorpion, rhizoma pleionis, black nightshade herb, bittersweet herb, sun euphorbia herb, Indian mockstrawberry herb, toad venom, sarcandra glabra, green tangerine peel, Indian buead, oriental waterplantain rhizome, szechwon tangshen root, villous amomum fruit, plantain seed, glossy ganoderma, honeysuckle flower, weeping forsythiae capsule, chicken's gizzard-membrane, largehead atractylodes rhizome, immature bitter orange, glossy privet fruit, radix astragali, Chinese atractylodes rhizome, katsumade galangal seed, Chinese sage herb, radix asparagi, blackberrykiky rhizome, cassia twig, Chinese magnoliavine fruit, semen armeniacae amarum, radix scutellariae, common coltsfoot flower, bulbus fritillariae thunbergii, radix glycyrrhizae preparata, peach seed, danshen root, rosewood heart wood, szechuan lovage rhizome, sessile stemona root, pinellia tuber, tatarian aster root, snakegourd fruit, red paeony root, perilla fruit, radish seed, pepperweed seed, greenish lily bulb, scorch-fried crataegus, scorch-fried medicated leaven, hordeum vulgare, longstamen onion bulb, eucommia bark, south dodder seed, tangerine peel, costustoot, nutgrass galingale rhizome, heartleaf houttuynia herb, indigowoad root, dwarf lilyturf tuber, coastal glehnia root, virgate wormwood herb, hairyvein agrimonia herb and bud and spreading hedyotis herb.