This reflective learning report delves into the multifaceted realm of International Human Resource Management (IHRM). It begins by contrasting IHRM with domestic HRM, highlighting the increased complexities and challenges of operating in a global market. The report then critically compares key IHRM concepts and theories, including the definition, purpose, and objectives of IHRM, along with its practices and policies, such as talent management, international assignment management, and workforce diversity. It explores the IHRM model, encompassing HR activities, types of employees (PCN, HCN, TCN), and country classifications (home, host, other). The report also examines the influence of environmental and cultural differences, including the Hofstede cultural dimensions model, and the concepts of convergence and divergence in HRM. Furthermore, it critiques the use of HRM in an international context, addressing challenges, commitment, and cost-effectiveness, with a focus on expatriate management. The report provides a comprehensive overview of the critical aspects of IHRM, offering valuable insights into managing human resources in a globalized business environment.