With the rise of national cartoon revival and the gradual development of domestic animated films, the animated film market has shown a trend of low-children, which has triggered a series of creative and market problems. How to solve this problem is of great practical significance for promoting the healthy development of animation movie industry. Contradiction analysis is a main content of Marxist philosophy, which has universal adaptability for analyzing various contradictions in real life, and it is also applicable to analyzing the contradiction of infantilization of domestic animated films. This paper takes the method of contradiction analysis as the starting point, analyzes the reasons for the infantilization of domestic animated films and its contradictions, and proposes solutions to its problems by combining the relevant methodology of the method of contradiction analysis, so as to promote the benign development of domestic animated films.