The invention relates to the technical field of traditional Chinese medicine, in particular to a traditional Chinese medicine composition for treating eye diseases, a preparation method and an application thereof. The traditional Chinese medicine composition comprises water, white chrysanthemum flower, immature tangerine peel, alum, borneol, golden thread, a fresh ginger juice, and a transdermal agent. The preparation method comprises the following steps: S1, grinding menthol, bastard speedwell and phryma leptostachya into a powder, soaking the powder in a mixed solution of laurocapram, propylene glycol and alcohol, and performing solid-liquid separation to obtain the transdermal agent; S2, mixing white chrysanthemum flower, immature tangerine peel, alum, golden thread and borneol and thenperforming crushing, and performing sieving to obtain a mixed medicine powder; and S3, mixing and stirring the mixed medicine powder, the fresh ginger juice and the transdermal agent, and then addingwater and performing adjusting to a cream form to obtain the traditional Chinese medicine composition. The traditional Chinese medicine composition prepared by the method can be used as a medicine for treating eye diseases such as myopia, hyperopia, glaucoma, muscae volitantes, and optic atrophy, and thereby the problem that medicines in the market at present are difficult to effectively treat eye diseases such as myopia, hyperopia, glaucoma, muscae volitantes, and optic atrophy is solved.