The invention relates to a sleep-promotion preparation and the preparation method, which comprises Rhizoma Gastrodiae, Lucid Ganoderma and pine pollen as main raw materials, and Beta-ring dextrin, brown rice, milk power, mannitol, sorbitol and malt dextrin as auxiliary materials. The preparation method is: firstly, rinse and crash the Rhizoma Gastrodiae, and sift out the power of take two hundredsmeshes; secondly, rinse the Lucid Ganoderma with deionized water, dry and grind the Lucid Ganoderma, and then extract with edible alcohol; thirdly, filter and seethe the residue, and then concentratethe extract solution and the filtrate respectively; fourthly, mix the two solutions intimately and get powder by spray drying; fifthly mix the powder with the auxiliary materials by adding the Beta-ring dextrin, the brown rice, the milk power, the mannitol, the sorbitol and the malt dextrin; finally get the preparation according to the pharmaceutical technology. The preparation has advantages ofextending sleeping time significantly, exerting a synergistic hypnotic effect, shortening the duration of hypnosis, and having an obvious effect in ameliorating sleep. Without any toxin and adverse effect, the invention is no harm for the body and can be taken for a long term. Moreover, the preparation method is quite simplified.