StoryMem is a generative model for multi-shot long-form video storytelling. It can generate coherent and cinematic-quality minute-long videos based on story scripts using a memory-conditioned video diffusion model. It is suitable for creators and developers, offering a new efficient and creative way in video production, helping users generate story videos in a short period of time. This tool's positioning is to enhance the productivity of video content creation, suitable for various styles of narrative needs.