The invention provides traditional Chinese medicinal liquor and a preparation method thereof, belongs to the technical field of traditional Chinese medicines, and aims to solve the technical problems of single action, complex preparation method and the like of existing traditional Chinese medicinal liquor. The traditional Chinese medicinal liquor is prepared from 10-14g of astragalus membranaceus, 10-14g of poria with hostwood, 4-8g of rhizoma atractylodis macrocephalae, 6-10g of radix rehmanniae praeparata, 6-10g of angelica sinensis, 6-10g of radix rehmanniae, 6-10g of codonopsis pilosula, 6-10g of radix ophiopogonis, 6-10g of poria cocos, 6-10g of citrus chachiensis hortorum, 6-10g of fructus corni, 6-10g of lycium barbarum, 6-10g of ligusticum wallichii, 4-8g of saposhnicovia divaricata, 6-10g of tortoise-shell glue, 6-10g of schisandra chinensis, 6-10g of notopterygium root, 6-10g of cinnamon, 4-8g of agarwood, 4-8g of semen cuscutae, 4-8g of ginger, 4-8g of costusroot, 3-6g of amomum cardamomum, 180-220g of Chinese date, 180-220g of rock candy and 2-6kg of distilled spirit. The preparation method of the traditional Chinese medicinal liquor comprises the steps of selecting a container, filling materials, stirring, soaking and removing impurities. The traditional Chinese medicinal liquor can be used for treating kidney deficiency and impotence, and has the advantages of cleanness, health and the like.