Provided are an enamel composition, a preparation method thereof, and a cooking appliance including the same. The enamel composition includes a glass frit containing P2O5, SiO2, TiO2, Na2O, and Al2O3. The glass frit contains about 10 wt % to about 25 wt % of SiO2, about 5 wt % to about 20 wt % of TiO2, about 5 wt % to about 15 wt % of Na2O, and about 9 wt % to about 20 wt % of Al2O3, and the glass frit has a glass deformation temperature of about 500° C. or more, and a reflectivity of about 70% or more.