Methyl cinnamate is an organic compound with the structural formula C6H5CH=CHCOOCH3.The appearance is white to slightly yellow crystal, presents cherry and aromatic ester, with cocoa fragrance.Mainly used in daily chemical and food industry, is a common deodorant or edible flavor, but also an important organic synthetic raw materials.The synthesis methods include inorganic acid (such as hydrochloric acid, sulfuric acid) catalytic esterification, organic acid catalytic esterification, multiphase catalytic esterification and high pressure microwave synthesis.