The invention discloses a pharmaceutic preparation of promotion of lactation for a puerperal. The pharmaceutic preparation is characterized in that raw materials for preparing the active ingredients of the preparation compriseangelica sinensis, semen sesami nigrum, colla corii asini, ginseng, astragalus mongholicus, tetrapanax papyriferus, corn stigma, uniflower swisscentaury root, trichosanthes kirilowii maxim, leonurus, dandelion, radix ophiopogonis and liquorice. According to the theory of traditional Chinese medicine and pharmacy, the qi and blood of a puerperal puerpera upwards move to generate the milk after the parturition, and the milk is the metaplasia of blood; qi runs, thus the puerperal puerpera is insufficient in milk due to weak qi and blood, and blocked channels of breast. According to the pharmaceutic preparation disclosed by the invention, various medicines are combined, so that source is provided for the milk, and the effects on replenishing qi, nourishing blood, promoting blood circulation to remove meridian obstruction, tonifying spleen and invigorating stomach, freeing channels of breast, alleviating water retention and promoting lactation, tonifying spleen and promoting lactation, and regulating the blood condition and producing milk.