What are the five modules of human resources?

Human resource planning, recruitment and distribution, training and development, performance management, salary and welfare management, and labor relations management. The basic contents of human resource planning are as follows: 1. Establish an organization; 2. Adjustment and analysis of enterprise organization; 3. Analysis of enterprise talent supply and demand; 4. Formulate enterprise human resources system; 5. Preparation and implementation of human resource management expense budget.