The creation of the animated short film "Not seeing Chang'an" focuses on the analysis of the narrative rhythm of the story, the rhythm of the character's action, the arrangement of the music rhythm and its purpose in the animated short film, and further demonstrates the importance of rhythm in animation creation. "Not seeing Chang'an" is created with the historical background of "Iron-blooded Anxi Army, full of white hair in the city, and defending the isolated city for 50 years". It is a three-dimensional animation short film with the theme of white-haired soldiers guarding the isolated city of thousands of miles at the border. Taking Shangyuan Festival as the time node, the story is narrated in the form of interspersed and contrasted between the two scenes in the lonely city full of yellow sand and the colorful Chang 'an city. At the same time, it attaches great importance to the design change of rhythm, taking into account not only the artistry of film and television, but also the authenticity of life. Taking Shangyuan Festival as the time node, the story is narrated in the form of interspersed and contrasted between the two scenes in the lonely city full of yellow sand and the colorful Chang 'an city. At the same time, it attaches great importance to the design change of rhythm, taking into account not only the artistry of film and television, but also the authenticity of life.