The Anti-Japanese War culture is the cultural wealth left to Chongqing in the special historical context. It is of great practical significance for how to deeply explore the Anti-Japanese War culture with high historical value in the Alternate Capital, how to carry forward the great Anti-Japanese War spirit, and how to inspire the people of all ethnic groups in China to achieve the Second Centenary Goal in the new era. By virtue of the development of the cultural tourism APP for the Anti-Japanese War in the Alternate Capital, the cultural resources of the Anti-Japanese War in the Alternate Capital were integrated to conduct early user research and specific analysis. At the same time, the cultural information of the Anti-Japanese War in the Alternate Capital was organized and optimized reasonably to design and plan the five module architecture of the cultural tourism APP for the Anti-Japanese War in the Alternate Capital, including Home Page, Strategy, Micro Sharing, Message and Me, and some interfaces were selected from the five modules for presentation, showing the intuitiveness of APP interface design for the dissemination of the Anti-Japanese War culture and the importance of maintaining user stickiness by virtue of beautiful interface design. The development of the cultural tourism APP of the Anti-Japanese War in the Alternate Capital promotes the integration of the cultural resources of the Anti-Japanese War in the Alternate Capital, and spreads the resources to users from multiple angles and directions through multimedia networks, so that users can observe the history of the Chinese people's resistance against Japan from different perspectives, and it also provides more materials for patriotism education, and helps the development of local cultural tourism and facilitates the culture inheritance from generation to generation.