The invention provides feed for laying ducks and a preparation method thereof, and belongs to the technical field of feed for ducks. The feed comprises corn, soybean meal, soya bean lecithin, queen bee larvae freeze-dried powder, beer yeast powder, vinasse, vinegar tortoise plastron, cuttle bones, all-grass of Chinese ixeris, herba leonuri, herbs of nutgrass galingale, lycopus lucidus, folium isatidis, gynostemma pentaphyllum, yerbadetajo herbs, herba portulacae, garlic, yam peels, expanded blood meal, eels, ground beetles, salt, calcium hydrophosphate, traditional Chinese medicine concentrated powder, compound enzymes, multivitamins and compound trace elements. The traditional Chinese medicine concentrated powder is obtained through the steps that even mixing is conducted on, by weight, 3-7 parts of milkvetch roots, 1-3 parts of angelica sinensis, 1-3 parts of panax notoginseng, 2-5 parts of radix ophiopogonis, 3-7 parts of epimediums, 1-3 parts of rhizoma chuanxiong, 2-5 parts of rhizoma atractylodis macrocephalae, 3-7 parts of red peony roots, 2-5 parts of radix scutellariae and 3-7 parts of salviae miltiorrhizae, and extraction, concentration and drying are conducted on the mixture in sequence. According to the feed for the laying ducks and the preparation method thereof, by means of the feed for the laying ducks, the egg production quality of the laying ducks can be improved, and after feeding is conducted, the fertilization rate and the hatchability of duck eggs are high.