The invention belongs to the field of traditional Chinese medicine for treating tumor and provides a traditional Chinese medicine for treating gastric cancer. The aim of the traditional Chinese medicine is to have good effect and to take effect rapidly; the traditional Chinese medicine is prepared from oldenlandia diffusa, panaxnotoginseng, mastic, chilopod, glossy ganoderma, myrrh, goldhair hedyotis herb, borneol, climbing nightshade, dried rhizome of rehmannia, agrimony, angelica, common camptotheca fruit, fumitory and other traditional Chinese medicines; and the traditional Chinese medicine has the effects of strengthening body resistance, cultivating constitution, nourishing qi and blood, activating blood, removing stasis, clearing away heat, detoxicating and resisting cancer, has good effect, takes effect rapidly and has the advantages of remarkable effect and rapider effect taking.