The invention discloses special nutrition formula powder for puerperium women and a preparation method thereof. The nutrition formula powder comprises, by weight in parts, 15-45 parts of carbohydrate, 10-40 parts of high-quality protein, 5-50 parts of whole milk powder, 1-6 parts of docosahexaenoic acid powder, 1-10 parts of dietary fibers, 0-2 parts of a thickening agent, 0-3 parts of edible essence, 0-1 part of ferric salt, 0-2 parts of vitamin premix powder and 0-5 parts of mineral premix powder. For nutritional requirements of puerperium women, the special nutrition formula powder for puerperium women is prepared. Through the nutrition formula powder, nutritional conditions of puerpera can be improved, milk secretion of the puerpera can be promoted, intestinal flora balance can be adjusted, resistance can be enhanced, and the occurrence of calcium deficiency anemia and the like can be prevented. In this way, nutrition is increased, overnutrition is avoided, fat intake is not increased, and burden of the puerpera is relieved. Therefore, the recovery of the puerpera is accelerated, and the growth and development of the newborn are facilitated.