The invention relates to a health-preserving rice wine for improving sleep. The health-preserving rice wine is prepared from the following raw materials by weight part: 300-320 of rice wine, 60-70 of banana, 30-40 of Tamarindus indica Linn, 60-70 of milk, 20-30 of black rice, 20-30 of walnut kernel, 50-60 of yellow wine, 80-90 of honey, 6-8 of chrysanthemum, 6-7 of polygonatum, 5-6 of platycladi seed, 5-6 of poria with hostwood, 5-6 of radix rehmanniae, and 6-7 of Semen Cassiae, etc. The health-preserving rice wine for improving sleep provided by the invention is sweet, refreshing and delicious. The added black rice, walnut kernel and other nutritional food materials have brain nourishing and kidney tonifying effects. Meanwhile, the added extracts of chrysanthemum, polygonatum, platycladi seed, poria with hostwood, radix rehmanniae and the like have very good effects of eliminating dampness, invigorating spleen and helping sleep, and also have certain help to insomnia, amnesia, deficiency cold and other symptoms.