The invention relates to a traditional Chinese medicine composition for treating glaucoma. The composition is prepared from the following components in parts by weight: 10-12 parts of felwort, 8-12 parts of tribulus terrestris, 10-15 parts of saposhnicovia divaricata, 5-8 parts of radix bupleuri, 8-15 parts of prunella vulgaris, 15-20 parts of loofah sponge, 15-20 parts of nacre mother of pearl, 6-15 parts of ligusticum wallichii, 10-12 parts of purslane, 10-20 parts of lophatherum gracile, 12-15 parts of semen cassiae, 12-16 parts of radix isatidis, 8-15 parts of semen cassiae, 10-15 parts of semen plantaginis, 8-12 parts of radix ophiopogonis and the like. The traditional Chinese medicine composition has the characteristics of short course of treatment, good treatment effect, small toxic and side effect on human bodies and the like, avoids secondary hurt of western medicines on human bodies, can be used for effectively reducing intra-ocular pressure, has the effects of inducing diuresis, resolving phlegm, clearing liver, purging internal fire, improving eyesight and the like, and has a remarkable effect in the process of treating glaucoma.