The invention belongs to the technical field of preparation of chicken feeds, and discloses a functional feed for feeding chickens capable of producing eggs suitable for pregnant women. The feed is prepared from the raw materials in parts by weight: 55-65 parts of corn, 20-30 parts of soybean meal, 1-3 parts of corn protein powder, 0.5-2 parts of marine microalgae powder, 0.5-2 parts of vegetable oil, 0.5-1 part of microalgae oil, 1-2 parts of dicalcium phosphate, 8-9 parts of stone powder, 0.3-0.35 part of table salt, 0.07-0.1 part of DL-methionine, 0.1-0.15 part of choline chloride, 0.5 part of a laying hen premix, 0.02-0.05 part of phytase and 0.4-0.5 part of a compound nutrient strengthened additive. The chickens are fed with the functional feed disclosed by the invention, so that eggs can be rich in varied nutrients of iodine, zinc, folic acid and long chain omega-3 polyunsaturated fatty acid (DHA+EPA), and the special requirements of the pregnant women for the nutrients of the iodine, the zinc, the folic acid and the long chain omega-3 polyunsaturated fatty acid(DHA+EPA) can be met.