The invention relates to a Chinese medicinal composition for promoting
blood circulation, removing
blood stasis, promoting qi circulation and relieving pain and a preparation method thereof. The Chinese medicinal composition comprises the following components in part by weight: 7.5 to 22.5 parts of
hawthorn fruit, 7.5 to 22.5 parts of root of red-rooted
salvia, 7.5 to 22.5 parts of kudzuvine root, 1 to 3 parts of notoginseng root and 1 to 3 parts of costustoot. The preparation method for granules comprises the following steps of: crushing notoginseng root and costustoot to form 150 to 250-mesh
fine powder by using a micro
powder crusher for later use; crushing
hawthorn fruit, root of red-rooted
salvia and kudzuvine root for form coarse
powder; extracting active ingredients from the coarse
powder by using
supercritical carbon dioxide fluid, after extracting, reducing
system pressure to normal pressure, and precipitating and separating extracted substances to obtain extractum; and
drying the extractum, crushing the extractum to form 150 to 250-mesh
fine powder, mixing with the
fine powder of notoginseng root and costustoot and proper amount of
dextrin and
stevioside uniformly to prepare granules, and packaging to obtain the Chinese medicinal composition. The preparation method has a simple production process, and is high in extraction speed, the active ingredients are easy to separate, the Chinese medicinal composition does not have residual
toxicity, and is high in purity and good in
curative effect, and structures and properties of active substances are not damaged.