Single- and double-layer anti-reflection coatings with many kinds of common dielectric coat materials are designed and optimized based on the transfer matrix method (TMM). A two-dimensional crystal line silicon solarcell structure model based on different anti-reflect coatings is established using Silvaco ATLAS device simulation software. The effect of light absorption is analyzed and evaluated by comparing the spectral responses of cells with different single and double-layer anti-reflection coatings. The results show that the crystalline silicon solar cell with double- layer anti- reflection coatings has more effective absorption spectrum when the wavelength range is from 200 nm to 1100 nm. Compared with single- layer anti- reflection coatings, the double layers composed of different dielectric materials have smaller light reflection loss, the double-layer coatings can reduce the loss of the spectral response effectively, and its performance is better than single-layer coatings. MgF2/ZnS double-layer coatings have the best anti-reflection effect and the light reflectance can be reduced to lower than 5% for the incident light with wavelengths of 380~1000 nm.