Core contents of the standard: First, data collection specification, clarifying the collection items, sampling frequency and data format of four categories of elevator operation, fault, maintenance and environment data to ensure data integrity and consistency; Second, data processing requirements, standardizing the technical requirements of data cleaning, desensitization, labeling and storage to ensure data security and compliance, in line with the relevant provisions of the Data Security Law; Third, data analysis model, unifying the construction methods, evaluation indicators and verification standards of four core analysis models: fault early warning, health assessment, energy consumption analysis and passenger flow statistics; Fourth, data application scenarios, clarifying the application specifications of data analysis results in four scenarios: intelligent operation and maintenance, emergency rescue, supervision decision-making and optimal design; Fifth, data security management, establishing a full life cycle security management system for data, clarifying the requirements of data classification, access control and emergency disposal.