Aiming at the characteristics of multi-source information in network security, this paper establishes a hierarchical network research based on information fusion to realize the project quality management function on the IOS platform. The elements extraction, situation assessment and situation prediction modules in the model are analyzed respectively. China's cultural symbols are still in ancient culture, which is not conducive to the establishment of China's national image. Only by working with the world's advanced cultural industry institutions to develop cultural products with both universal value and Chinese cultural elements, can we achieve cultural export to Japan and achieve a good cultural exchange between the two countries. The initial division of the community is completed according to the local maximum potential value nodes; the initial community is iteratively merged according to the distance between the local maximum potential value nodes, until all communities are merged into one community.