The invention relates to a health-care food for improving sleep and a preparation method thereof. The health-care food for improving sleep is composed of the following raw materials in parts by weight: 5.5-9.5 parts of pilose
antler, 90-110 parts of acanthopanax, 40-60 parts of herba epimedii, 15-35 parts of liquorice, 65-85 parts of Chinese date decoction pieces, 140 to 160 parts of
maltitol liquid and 0.3 to 0.7 part of
potassium sorbate. The pilose
antler in the health-care food for improving sleep is sweet, salty and warm in nature and taste, returns to
kidney and liver meridians, and has the effects of strengthening
kidney yang, benefiting essence and blood and strengthening muscles and bones; the herba epimedii is pungent, sweet and warm in nature and
flavor, returns to
liver and kidney meridians, and has the effects of tonifying
kidney yang and strengthening muscles and bones; the pilose
antler and the herba epimedii are combined to tonify kidney yang and benefit essence and blood for kidney
yang deficiency and essence and blood deficiency; acanthopanax senticosus is pungent, slightly bitter and warm in nature and
flavor, returns to
spleen, kidney and heart meridians, benefits qi and
spleen, tonifies the kidney to calm the nerves, and relieves
lung-kidney deficiency,
spleen-
lung qi deficiency, heart-spleen deficiency,
insomnia and dreaminess and other symptoms; and the liquorice is sweet and mild in nature and taste and returns to heart,
lung, spleen and
stomach meridians, the Chinese dates are sweet and warm in nature and taste and return to spleen,
stomach and heart meridians, and the liquorice and the Chinese dates are combined to enhance the effects of tonifying middle-Jiao and Qi and nourishing blood and tranquilizing mind.