The invention discloses finless eel feed and a preparation method thereof. The finless eel feed is prepared by subjecting sweet potato starch, pumpkin, potato, blood of livestock and poultry in a slaughter house, soybean, poria cocos, rhizome of achyranthes bidentata, and the like to processes of material blending, sauce adjusting, extrusion forming, drying and the like, and the nutrient healthcare daily finless eel feed is earthworm-strip-shaped, rich in protein, dietary fiber, pectin, various vitamins, trace elements and the like, good in elasticity, capable of being softened immediately after being put into water, soft, fragrant and palatable, can realize trophotropism and promote growth, and has preventive and therapeutic effects on diseases like enteritis and body macule which are likely to occur. The finless eel feed is low in cost, convenient to process, store and feed, and high in input-output ratio.