The invention provides a medicament for treating ocular trauma complicated with cataract and a preparation method thereof. The medicament is composed of 10-14 g of angelica, 8-12 g of ligusticum wallichii, 8-12 g of radix raeoniae rubra, 8-12 g of dried radix rehmanniae, 4-8 g of jasmine, 4-8 g of radix scutellariae, 10-14 g of motherwort fruit and 8-12 g of pollen typhae, and the medicament is prepared by such steps as cleaning, drying, grinding, sieving, refining honey and preparing pills. Therefore, the medicament is simple to prepare, convenient to take, remarkable in curative effect, free of toxic side effect and low in cost and is especially suitable for treating ocular trauma complicated with cataract to prevent atrophy of eyeballs.