High-definition map and high-definition map generation method and usage method

A high-definition map usage method, comprising:

• requesting high-definition map data from a server side, wherein the high-definition map data comprises general data and sensitive data, the general data comprises data disclosable according to law, and the sensitive data comprises data not disclosable according to the law, wherein the server side comprises a dedicated server side for storing the sensitive data, and wherein the dedicated server side comprises a server authorized by a regulatory authority and a cloud service authorized by the regulatory authority;
• receiving the general data from the server side;
• receiving the sensitive data from the dedicated server side;
• and
• deleting the sensitive data after use of the sensitive data is finished.

A high-definition map generation system, comprising:

• a surveying and mapping data processing module configured to process surveying and mapping data to obtain processed surveying and mapping data;
• a map data generation module configured to generate a map element based on the processed surveying and mapping data, wherein the map element comprises a identifier ID corresponding to the map element;
• a map data splitting module configured to split data of the map element into general data and sensitive data based on the identifier ID of the map element;
• and
• a map data management module configured to provide single-interface output for the sensitive data in the map element.