A cooking apparatus for a cooking container, the cooking apparatus comprising: an induction heating coil (L1, L2, L3, L4) to generate a magnetic field to heat the cooking container; and characterised by an image generating unit including: a plurality of light sources disposed to form a circular arc corresponding to an outline of the induction heating coil and to perform radiation of light toward a surface of the cooking container, a light source from among the light sources forming, on the surface of the cooking container, at least one image indicative of an operation; a light source driving circuit to provide driving currents to the plurality of light sources; a light-emitting controller to control the light source driving circuit to control the radiation of the light, responsive to a control signal input for adjusting the heat by the magnetic field of the induction heating coil, thereby controlling the forming, on the surface of the cooking container, of the least one image indicative of the operation; and a plurality of lenses to concentrate the light output from the plurality of light sources, wherein each of the plurality of lenses comprise: a first refracting surface to change progression of the light output from the plurality of light sources and disposed to be oblique with respect to a direction in which the light is output; and a second refracting surface to concentrate light transmitted through the first reflection surface. an induction heating coil (L1, L2, L3, L4) to generate a magnetic field to heat the cooking container; and characterised by an image generating unit including: a plurality of light sources disposed to form a circular arc corresponding to an outline of the induction heating coil and to perform radiation of light toward a surface of the cooking container, a light source from among the light sources forming, on the surface of the cooking container, at least one image indicative of an operation; a light source driving circuit to provide driving currents to the plurality of light sources; a light-emitting controller to control the light source driving circuit to control the radiation of the light, responsive to a control signal input for adjusting the heat by the magnetic field of the induction heating coil, thereby controlling the forming, on the surface of the cooking container, of the least one image indicative of the operation; and a plurality of lenses to concentrate the light output from the plurality of light sources, a plurality of light sources disposed to form a circular arc corresponding to an outline of the induction heating coil and to perform radiation of light toward a surface of the cooking container, a light source from among the light sources forming, on the surface of the cooking container, at least one image indicative of an operation; a light source driving circuit to provide driving currents to the plurality of light sources; a light-emitting controller to control the light source driving circuit to control the radiation of the light, responsive to a control signal input for adjusting the heat by the magnetic field of the induction heating coil, thereby controlling the forming, on the surface of the cooking container, of the least one image indicative of the operation; and a plurality of lenses to concentrate the light output from the plurality of light sources, wherein each of the plurality of lenses comprise: a first refracting surface to change progression of the light output from the plurality of light sources and disposed to be oblique with respect to a direction in which the light is output; and a second refracting surface to concentrate light transmitted through the first reflection surface. a first refracting surface to change progression of the light output from the plurality of light sources and disposed to be oblique with respect to a direction in which the light is output; and a second refracting surface to concentrate light transmitted through the first reflection surface.