The invention discloses a powered compound feed for anguilla rostrata black-larvae capable of preventing summer enteritis. The powered compound feed for the anguilla rostrata black-larvae capable of preventing summer enteritis comprises the following ingredients in percentage by weight: 55-66% of whitefish meal, 21-24% of pre-gelatinized starch, 1-4% of fermented soybean meal, 1-4% of gluten flour, 4% or less yeast cultures, 3% or less spirulina, 1-2% of minerals, 1-2% of calcium dihydrogen phosphate, 0.2-0.6% of chloride choline, 0.2-0.5% of multivitamins, and 0.1-0.9% of of bacillus natto. The compound feed disclosed by the invention is suitable for feeding the anguilla rostrata in the black-larva stage. The compound feed is a mixture prepared from the raw materials according to processing methods of powdered compound feeds. Based on nutrition demands, food intake habits and disease control researches of the anguilla rostrata in the black-larva stage, the prepared compound feed is capable of effectively preventing summer enteritis of the anguilla rostrata in the black-larva stage by performing feed nutrition and formula designs and the like; moreover, the compound feed is also capable of promoting healthy and rapid growth of the anguilla rostrata black-larvae.