Surrounding the entire data life cycle, covering specific application scenarios such as development, testing, operation and maintenance, operation, access, management, etc., by integrating modules such as data collection security, data storage security, development and testing data use security, database operation and maintenance security, API interface data security, data sharing security, data externalization security, etc., build a solid data protection system, effectively prevent data violations, trace illegal access, and alarm abnormal operations. The platform integrates multiple subsystems such as classification and grading, static and dynamic desensitization, secure sharing, and comprehensive auditing to form a unified and standard user interface, presenting a full view of data security trends.