Provided is a moving picture coding device which makes it possible to suppress deterioration in coding efficiency caused by flickers occurring at a time of high-speed capturing under fluorescent lamp lighting or the like.A moving picture coding device (100) which codes a plurality of pictures obtained by capturing an object, the moving picture coding device including: a luminance information acquisition unit (121) which acquires luminance information which indicates a luminance level of light in an environment where the object is captured; and a coding unit (106) which codes the pictures, using a prediction coding method in which a picture type is applied in the coding of the pictures according to a flicker state of the light obtained from the luminance information.