The invention discloses a traditional Chinese medicinal agent for treating circadian rhythm disorder sleep disorder. The active ingredients contained in the traditional Chinese medicinal medicinal agent include paeonol, gardenia, scutellaria baicalensis, Bupleuri, mica stone, turmeric, poria cocos, white peony root and bergamot Tangerine root, Atractylodes macrocephala, fried jujube kernel, pig gallbladder eggplant, baiziren, melon wilt skin, polygala, chuanxiong, angelica, dried earthworm, keel, oyster, sandalwood mud, acacia skin, nard pine, and also discloses a preparation The method of the above-mentioned traditional Chinese medicine, the above 23 traditional Chinese medicines, add water to decoct twice, each time add 10 times the amount of water, decoct for 1.5 hours, combine the decoction, stand for 12 hours, filter, and the filtrate is concentrated to a relative density of 1.30-1.45 For the clear paste, mix the clear paste and dextrin at a mass ratio of 1:1, dry at 80°C, grind it into an 80-mesh sieve to prepare a fine powder, add 0.04 times of stevioside and mix well, add 75% ethanol to the right amount Used as a wetting agent to granulate and granulate. The invention adopts the traditional Chinese medicine to treat the circadian rhythm disorder sleep disorder, and has the advantages of good curative effect, light side effect, good compliance and no dependence.