The invention discloses a preparation method of premixed meat powder for a feed. The preparation method comprises the following steps: mixing galanga, astragalus membranaceus, hawthorn fruits, anises, bay leaves, agastache rugosus, Chinese violet, rush pith, small centipeda herb, asparagus cochinchinensis, eucommia bark and houttuynia cordata, and crushing the mixture to obtain a compound herbal medicine; drying animal fat residues in vacuum and at a low temperature, and crushing; adding active carbon, corn meal, peony seed meal, perillaseed cake residues, green soybean pods, bean curd residues and melon seed shell powder, and uniformly stirring; adding zymophyte, vinasse of yellow rice or millet wine and water, and uniformly mixing; carrying out primary fermentation to obtain a first material; uniformly stirring the first material, the compound herbal medicine, dry aloe powder, tea powder, banana peels, water hyacinths and orange peels, and carrying out secondary fermentation to obtain a second material; draining off the second material, adding animal fat, compound vitamins and compound mineral substances and uniformly mixing; and pressing the mixture into cake, and putting the cake at a shady and ventilated place to obtain the premixed meat powder for the feed. The method is simple and wastes are reduced; and the feed has a high energy value and the food intake also can be facilitated.