The words and actions of a figure are two big functions of the figure, the dialogues in films and videos, which are used to convey all kinds of information about the stories, generally have the functions such as movement function, plot function, imagecreated function, illustrative function and so on. The dialogues in films and videos highlight the appeal for personality, context, movement, dramatic, stylization, rhythm and condensation of the actors’ lines. Although information complementarity and demonstration as well as explanative dialogues can be integrated into movement design, theoretically, the actors’ lines can be made rich narrative capacity and dramatic tensile force.