Ethnic culture, with its high plurality and openness, offers an invaluable and heterogeneous resource for the animation creation. Irish animation transforms Celtic stories into artistic texts and exports animated films with cultural core to young people around the world. The animated film Wolf Walker created by Tom Moore takes the Celtic legend as its creation source, which strongly shows the aesthetic characteristics of nationalization and historization. This paper studies ethnic animation films based on the film Wolf Walkers, analyzes the visual elements and narrative material. Based on these, it summarizes the develop strategies and ways out of Chinese animation films: The rational use of traditional cultural resources combined with modern aesthetic concepts shows the rich forms of traditional stories after being retold in modern society and the modern identification of national culture.