The invention provides a traditional Chinese medicine composition for treating glaucoma, which comprises caltrop, salvia miltiorrhiza, fructus lycii, ligusticum wallichii, radix puerariae, ginseng, radix paeoniae alba, rhizoma cyperi, fructus leonuri, radix scutellariae, gardenia, horsetail, radix paeoniae rubra, rhizoma sparganii, pollen typhae, semen sesami nigrum, folium apocyni veneti, cortexmoutan radicis and borneol. The traditional Chinese medicine composition has the advantages that the traditional Chinese medicine composition is small in side effects, good in curative effect, low incost, high in cure rate, free from tolerance, and convenient to take; the traditional Chinese medicine composition can well control postoperative intraocular pressure based on an operative treatment,prevents and treats glaucomatous optic neuropathy, and thus better treats the glaucoma.