CIB (CULTURAL INDUSTRY BASIC CHAIN) is an integrated blockchain system based on a "multi-chain coexistence and cross-chain integration" model. It targets the cultural industry, leveraging the innovative concepts and technologies of blockchain to address the needs and challenges faced by this sector. CIB establishes an efficient, user-friendly, and distributed blockchain architecture platform that serves the real economy, catering to its genuine commercial needs. The "multi-chain coexistence and cross-chain integration" technology ensures the feasibility and reliability of practical applications. From project inception through development, cost management, revenue generation, and repayment, smart contracts handle everything automatically, ensuring transparency in investment allocation. Combined with the traditional culture of participating enterprises (projects), CIB creates a platform that covers the entire investment and management process for the cultural and film industries.