This document provides an introduction to human resource management (HRM). It defines human resources as the people an organization employs and discusses the basic functions of HRM, including recruitment, selection and retention of employees. It also outlines how the role and approaches of HRM are changing in response to current trends like globalization, technological innovation, and remote working policies implemented during the COVID-19 pandemic. HRM must now focus more on strategic issues, creating high-performance work systems, and supporting workers' mental health and well-being.