The evolution of Nezha's myth has always been the focus of Chinese animation adaptation. The theme of Nezha's story in different eras has also evolved to varying degrees. Against the backdrop of advanced animation technology, Nezha: The Devil Child Comes into the World The great success of "The Legend of Nezha" showed the audience the reconstruction of the heroic myth of Nezha under the fusion of Chinese and Western cultures. Not only has the use of Western heroic journey narrative and character creation become more mature, but the film itself has also shaped the nationality and The timeliness also has a unique understanding and unique construction. This article analyzes the cultural elements of the "hero's journey" in the story of "Nezha: The Devil Child Comes into the World", and proposes that the animated film incorporates Chinese cultural elements into the narrative of the hero's journey from the perspective of yin and yang harmony and father-son relationship. Creativity is the factor that leads to box office success.