The invention discloses a fodder for first-born lactating sows. The fodder is prepared from the following components: corn, defective flour, bran, two-eight rice bran and hull, alfalfa meal, sunflower meal, cassava, silkworm chrysalis powder, fish meal, bone meal, shell powder, an antioxidant, decavitamin, a composite multi-mineral, and a core additive. The core additive is prepared from the following components: tetrapanax papyriferus, radix rhapontici, vaccaria segetalis, radix scutellariae, echinacea purpurea, radix rehmanniae preparata, radix polygoni multiflori, and radix isatidis. The fodder for the first-born lactating sows can provide basic nutrients for the lactating sows; at the same time, with the addition of the core additive, the fodder can guarantee that the lactating sows have more milk during lactation, and also can improve lactating sow own immunity; the fodder has high security, wide raw material sources and low price; and with the addition of the antioxidant, the fodder can enable the lactating sows to recover better during the lactation process and after giving first birth.