The present invention relates to a kind of Radix Salviae Miltiorrhizae drugs and preparation method thereof, the drug includes the component of following weight ratio, danshensu: Rosmarinic acid: alkannic acid: tanshin polyphenolic acid B: Cryptotanshinone: tanshinone IIA: stachyose=(0.5-16): (0.5-15): (0.5-15): (5-140): (0.5-25): (1-50): (150-600), the drug can have the function of reducing blood lipid and improve microcirculation, preparation method is simple, is suitble to industrialization production.本發明涉及一種丹參藥物及其製備方法,該藥物包括以下重量比的組分,丹參素:迷迭香酸:紫草酸:丹酚酸B:隱丹參酮:丹參酮ⅡA:水蘇糖=(0.5‑16):(0.5‑15):(0.5‑15):(5‑140):(0.5‑25):(1‑50):(150‑600),該藥物能够具有降血脂和改善微循環的作用,製備方法簡單易行,適合産業化生産。