The invention relates to a traditional Chinese medicine for treating neurasthenia, and belongs to the field of traditional Chinese medicines. The preparation method comprises: mixing and crushing 20 grams of spine date seed, 15 grams of Polygonum multiflorum, 12 grams of oriental arborvitae seeds, 7 grams of polygala tenuifolia, 15 grams of tuckahoe with pine, 15 grams of Flos Albiziae, 12 grams of Poria cocos, 12 grams of Paeonia lactiflora, 9 grams of Curcuma aromatica, 15 grams of Chinese thorowax roots, 15 grams of dried rehmannia rhizome, 20 grams of Dragon Teeth and 9 grams of green tangerine orange peels until the granularity is 200 meshes, placing the crushed medicines into a mixture of 60 grams of refined honey and 50 grams of acanthopanax extract for stirring, and finally preparing pills, wherein the weight of each pill is between 2 and 3 grams. The matching of the medicines accords with the matching principle of traditional Chinese medicines. According to differentiation ofthe traditional Chinese medical science, neurasthenia is caused by liver and qi depression, fire transmission and yin impairment, deficiency of spirit dependency and uneasiness, so that treatment of neurasthenia requires smoothing the liver and resolving depression, nourishing Yin and improving intelligence, and tranquilizing and allaying excitement.