The invention discloses a postpartum lactagogue health drink and a preparation method thereof. The postpartum lactagogue health drink is prepared from stalactite, chickweed, loofah sponge, pangolin scales, lalang grass rhizome, root of climbing fig, radix astragali, ricepaperplant pith, seed of cowherb, red ginseng, wild jujube, radix angelicae pubescentis, suberect spatholobus stem, black sesames, Metaplexis hemsleyana, chingma abutilon seed, pilos antler, uniflower swisscentaury root, radix trichosanthis, teasel root, dandelion, rhizoma nelumbinis, linseed, herba epimedii, scutellariae barbatae, Solanum lyratum Thunb., puffball extract, xylitol, honey, citric acid and water according to a weight part ratio. The postpartum lactagogue health drink utilizes pure natural plants as raw materials, is safe and non-toxic, has a scientific formula, has effects of dredging collaterals and promoting milk circulation, inducing diuresis and promoting lactation, tonifying spleen and promoting lactation, and regulating blood and promoting milk secretion, has definite curative effects, is safe and reliable, produces comprehensive conditioning effects on the puerperal, is conducive to maternal postpartum uterine contraction, can discharge dirt such as amniotic fluid and blood in the uterus, mainly treats hypogalactia, less milk and no milk caused by stagnation of liver-qi, and has good specificity and high efficiency.