Rhythm is like the air we breathe，existing in art and life．Rhythm in the paper is mainly animation movie narrative rhythm．This paper illustrates the impact caused by the lens of apicture design，the principle of the use of image form，coloL smooth shadow elements and SO on，sports camera，the proportion of static lens distribution on narrative rhythm．Meanwhile，it probes into how to make good and enduring animation works through grasping narrative rhythm to promote the charm of works and making the audience enjoy the aesthetic feeling of audio and visual arts based on the lens．