The invention discloses a healthy beverage for preventing and treating arteriosclerosis and a preparation method of the healthy beverage, and relates to the field of healthy food. The healthy beverage is prepared from a component A and a component B, wherein the component A is prepared from the following raw materials: fructus crataegi, radix puerariae, a green beverage, roots and tubers of fagopyrum tataricum and rhizoma polygonati; the component B is prepared from at least one of the following raw materials: radix astragali, flos sophorae immaturus, semen cassia, flos chrysanthemi, herba cichorii, folium ginkgo, folium mori, fructus phyllanthi and xylooligosaccharide; all the raw materials are dry. The prepared healthy beverage has good effect on preventing and treating arteriosclerosis and has the advantages of good taste, simple preparation process and low production cost.