The reason for this is the following：

1. key functions: the human resources department is responsible for the core affairs of the company, such as talent recruitment, employee training, salary and welfare, which is of great significance to the stable development and competitiveness of the enterprise.

2. Talent training and promotion: The Human Resources Department pays attention to the development of employees and is responsible for organizing various training activities to improve the skills and quality of employees. In addition, the department is also responsible for the promotion and selection of employees, providing more development opportunities for outstanding employees.

3. Job stability: Compared with other departments, the work of the Human Resources Department is relatively stable and not easily affected by market fluctuations.