A simple and green way was used to control the crystallization of calcium carbonate in the sucrose/L arginine system.The growth orientation,morphology and polymorph of calcium carbonate crystal were studied.XRD analysis showed that the crystals were mainly vaterite and a small amount of calcite formed in the sucrose/L arginine system.However，only the vaterite crystals were formed in the separate sucrose solution or L arginine solution.SEM analysis showed that sucrose or L arginine could induce the formation of calcium carbonate with a special morphology.The experimental results showed that sucrose/L arginine had a better controll for the growth orientation of calcium carbonate as well as its morphology and polymorph.The method provided a positive guidance for the synthesis of biomimetic materials.