The invention relates to a Chinese medicinal preparation for treating stroke. The Chinese medicinal preparation is prepared from the following raw materials in part by weight: 10 to 20 parts of angelica, 25 to 35 parts of astragalus, 10 to 15 parts of dried leech, 10 to 20 parts of parasitic loranthus, 10 to 20 parts of safflower, 10 to 20 parts of achyranthes root, 10 to 15 parts of red peony root, 10 to 15 parts of rhizome of Sichuan lovage, 10 to 20 parts of earthworm, 25 to 35 parts of large headed atractylodes and 8 to 12 parts of baical skullcap. Preferably, the Chinese medicinal preparation is prepared by the following raw materials by weight: 15 grams of angelica, 30 grams of astragalus, 12 grams of dried leech, 15 grams of parasitic loranthus, 15 grams of safflower, 15 grams of achyranthes root, 12 grams of red peony root, 12 grams of Sichuan lovage, 15 grams of earthworm, 30 grams of large headed atractylodes and 10 grams of baical skullcap. The method for preparing the Chinese medicinal preparation comprises the following steps of: weighing the raw materials in the formula, adding a proper amount of water, decocting the mixture with mild fire for 40 minutes, filtering out the residue and collecting the decoction. The Chinese medicinal preparation is orally taken, one dosage each day, and 30 days for one period of treatment. The Chinese medicinal preparation has the advantages of readily-available raw materials, low cost and obvious curative effect.