The rules and generation algorithms for ID numbers in different countries vary greatly, and usually involve complex coding rules and security mechanisms. This information is often strictly protected state secrets or professional content with specific purposes. Random disclosure and dissemination is inappropriate and may violate laws, regulations and related regulations. For example, China's identity card numbers have strict coding rules, including area code, date of birth, sequence code, verification code and other information, which are used for important purposes such as accurately identifying citizenship. We should respect the confidentiality and professionalism of sensitive information such as national identities of countries, and avoid improper access to and dissemination of relevant technical details.