The invention discloses a medicament for treating lymphoma. The medicament comprises the following raw materials: codonopsis pilosula, astragalus, glossy privet fruit, panax root, asparagus, glabrous greenbrier rhizome, kelp, largehead atractylodes rhizome, Indian buead, costustoot, raw chicken's gizzardskin, pseudoginseng root, clematis root, zedoary, common burreed rhizome, liquoric root, buttercup root, pinellia tuber, arisaema cum bile, rhizoma bolbostemmae, spreading hedyotis herb, barbed skullcap herb, honeysuckle flower, baical skullcap root, weeping forsythia, vietnamese sophora root, Indian iphigenia bulb, solanum nigrum L, bittersweet herb, sun euphorbia herb, Indian mockstrawberry herb, toad skin, lily, wall lizard, figwort root, oyster, green tangerine peel, tangerine peel, Chinese sage herb, common selfheal fruit-spike, ground beetle, grub, scorpion, centipede, processed turtle shell, ginseng, paris polyphylla, akebia trifoliata koidz, dandelion, sarcandra glabra, hairyvein agrimonia herb and bud, bezoar, frank incense and myrrh. The medicament is prepared by grinding the pseudoginseng root and the bezoar into powder, encapsuling the powder, and decocting other raw materials by the conventional method. The medicament is prepared from pure Chinese herbal medicines, is safe and nontoxic and can greatly improve the quality of life of cancer patients; and the cost is much lower than that of concurrent chemoradiotherapy and surgical treatment, so that all lymphoma patients can afford the medicament.