The invention discloses a traditional Chinese medicine decoction for treating female endocrine dyscrasia and a preparation method thereof and belongs to the field of traditional Chinese medicines. The decoction includes the following raw material medicines, by weight: 40-60 g of mulberries, 25-32 g of astragalus membranaceus, 20-27 g of cornus officinalis, 14-18 g of radix rehmanniae, 15-20 g of semen cuscutae, 12-17 g of angelica sinensis, 10-16 g of salviae miltiorrhizae, 9-13 g of fructus lycii, 10-15 g of cortex albiziae, 11-15 g of honeysuckles, 8-12 g of polygonum cuspidatum, 7-10 g of verbena officinalis, 8-11 g of radix ophiopogonis, 6-10 g of lalang grass rhizome, 5-10 g of Chinese yam, 3-6 g of fructus cnidii, 4-7 g of donkey-hide gelatin, 2-4 g of sea horses, and 1-2 g of poria cocos. The formula of the decoction considers both unusualness and tradition. On the basis of qi and blood stasis, evil toxic invasion, qi and blood deficiency and the like symptoms which cause the endocrine dyscrasia, the decoction nourishes yin according to the aspects of excess, deficiency, yin, yang, qi and blood, regulates nervous system, recovers normal function and status of body, and has excellent treatment effect on the endocrine dyscrasia of sex hormone, adrenocortical hormone, insulin and thyroxine.