The invention relates to a traditional Chinese medicinal preparation, and concretely relates to a blood stasis removing capsule containing Salvia miltiorrhiza and Radix Astragali, and a preparation method thereof. The capsule is composed of a traditional Chinese medicinal extract product and auxiliary materials. A weight ratio of the traditional Chinese medicinal extract product to the auxiliary materials is 10:0.2-0.8; the traditional Chinese medicinal extract product is prepared by using the following raw materials, by weight, 150 parts of Radix Astragali, 150 parts of Salvia miltiorrhiza, 75 parts of Radix Codonopsis, 75 parts of Chinese yam, 100 parts of Glabrous Greenbrier Rhizome, 75 parts of Chinese angelica, 150 parts of Millettia dielsiana, 75 parts of Semen Euryales, 150 parts of Herba Houttuyniae, 45 parts of Rhizoma Sparganii, 150 parts of Herba Patriniae, 15 parts of cinnamon, 45 parts of Rhizoma Atractylodis Macrocephalae, 22.5 parts of baked ginger, 45 parts of Fructus Toosendan, 75 parts of Sophora flavescens, 75 parts of scorpion, 45 parts of Rhizoma Curcumae, 75 parts of ground beetle and 75 parts of Corydalis tuber; and the auxiliary materials comprise, by weight, 5-10 parts of crosslinked sodium carboxymethyl cellulose, 1-3 parts of alpha-lactose and 2-6 parts of microcrystalline cellulose.