The invention discloses an oily bran crab feed. The oily bran crab feed is characterized by being prepared from the following raw materials by weight: 1.2 to 3.2 parts of ethyl vanillin, 18 to 21 parts of wheat straw, 4.3 to 6.8 parts of selenium yeast, 19 to 23 parts of low-antigen soybean meal, 3.4 to 6.5 parts of pepper, 2.3 to 3.4 parts of vitamin E, 1 to 2 parts of vitamin K3, 15 to 17 parts of Pleurotus eryngii, 13 to 17 parts of pomegranate seed, 17 to 22 parts of biscuit powder, 16 to 24 parts of oatmeal, 21 to 25 parts of oily bran, 7 to 9 parts of palm oil, 12 to 14 parts of asparagus, 13 to 16 parts of cucumber, 10 to 13 parts of medicated leaven, 2 to 4 parts of sodium diacetate, 1 to 3 parts of folic acid, 17 to 22 parts of shrimp shell, 22 to 27 parts of pork ribs, 18 to 24 parts of a peanut cake, 3 to 6 parts of a feeding promoting agent and a proper amount of water. The feed provided by the invention is produced through compounding of a plurality of beneficial components, so the feed has good palatability, good stability in water and decreased feed coefficient and feed cost, is easy to digest and absorb, reduces pollution to a water environment in an aquiculture area, allows nutrition to be balanced and can promote growth of crabs.