Personnel information ledger refers to a set of systems established by companies or organizations to record employees' information, which mainly includes employees' personal information, work experience, training records, etc. This information is very important for enterprise managers, because talents are the core of enterprise development. Only by fully understanding the situation of employees can we make training plans, evaluate performance and adjust work assignments, thus improving the work efficiency and productivity of employees.

The establishment of personnel information ledger needs to rely on modern information system. Nowadays, with the rapid development of science and technology, more and more enterprises choose to use cloud computing technology to establish employee information management system, which has higher reliability, stability and security, and can query and update data anytime and anywhere. In addition, compared with traditional manual management, information management can optimize the work efficiency of human resources departments, reduce work pressure and improve work efficiency.

In the process of employee information management, we must strictly abide by relevant laws, regulations and confidentiality provisions. When collecting employee information, enterprises must obtain the consent of employees, and must not disclose their personal privacy to ensure information security. In addition, the information of resigned employees should be kept strictly confidential and should not be disclosed or abused. Personnel information ledger is an important part of enterprise managers' file management, and only legal and compliant management can effectively safeguard corporate image and internal security.