The invention discloses a feed for portunus trituberculatus miers, belonging to the field of feed for aquatic animal culture. The feed comprises the following ingredients in percentage by weight: 35-45% of fish meal, 10-18% of soybean meal, 5-8% of spent grains liquor of corn alcohol, 3-8% of beer yeast, 3-5% of shrimp shell meal, 15-25% of high protein flour, 3-5% of squilla protein plasma, 1-3% of phospholipid oil, 1-3% of refined fish oil, 1-3% of complex binding agent, 1-2% of compound mineral substance, 0.5-1.5% of compound vitamin, 0.2-0.4% of choline and 0.1-0.4% of edible salt. Compared with the prior art, the feed provided by the invention comprises reasonable ingredients, has comprehensive nutrition, is full of nutriments, has extremely strong food calling effect on the portunus trituberculatus miers, can meet the requirements for artificial culture of the portunus trituberculatus miers in ponds, improves the food intake, effectively prevents the phenomenon that the portunus trituberculatus miers clamps the food mutually, and has obvious effect on improving the culture survival rate of the portunus trituberculatus miers.