The invention discloses a
traditional Chinese medicine preparation for treating hand and
foot numbness caused by diabetes and a preparation method and application thereof, and belongs to the field of
traditional Chinese medicine preparations. The
traditional Chinese medicine preparation is prepared by the following method: (1) uniformly mixing 15-21 parts by weight of aleppo avens, 27-33 parts by weight of
potentilla fruticosa and 2-12 parts by weight of pseudo-
ginseng, crushing, and sieving with a 50-mesh
sieve to obtain
powder; (2) adding the
powder obtained in the step (1) into an
ethanol aqueous solution with the concentration of 48-52v / v% for dipping and extracting under the conditions that the material-
liquid ratio is (1: 8)-(1: 12), the extraction temperature is 40-60 DEG C and the extraction time is 2-4 hours to obtain an extracting solution; (3) filtering the extracting solution obtained in the step (2), and removing
ethanol and water from the filtrate to obtain a crude extract; (4) adding
petroleum ether into the crude extract obtained in the step (3) for extraction, and removing
petroleum ether to obtain a refined product at the lower layer; and (5) taking the refined product in the step (4), and performing
spray drying to obtain finished medicinal
powder. The traditional Chinese
medicine preparation disclosed by the invention can cure hand and
foot numbness caused by
diabetes mellitus by reducing
blood sugar content, dredging blood vessels, strengthening qi and nourishing blood.