The invention relates to the technical field of traditional Chinese medicines, in particular to a traditional Chinese medicine composition for treating eye diseases. The traditional Chinese medicine composition for treating eye diseases comprises the following components in parts by weight: 10-15 parts of ash bark, 10-15 parts of mirabilite, 15-20 parts of psychotria rubra, 5-10 parts of semen celosiae, 5-10 parts of halite, 3-6 parts of dried orange peel, 1-5 parts of horsetail, 10 to 15 parts of coptis chinensis. The traditional Chinese medicine composition is ground to 100-mesh, and the ground medicine powder is fully stirred and mixed for later use; and the uniformly mixed traditional Chinese medicine combined material is prepared into a traditional Chinese medicine application patch.The traditional Chinese medicine composition for treating eye diseases is used for treating eye diseases such as eruption, swelling and pain of eyes, eye pricking pain, eye itching and tear, hyperopia, myopia, optic atrophy, conjunctivitis, corneal pain, corneal edema, nebula, pterygium, swelling and pain of eyes, cataract, muscae volitantes, turbid eyes, blurred vision and glaucoma.