Personnel management involves planning, organizing, compensating, integrating, and maintaining employees to contribute to organizational, individual, and societal goals. The key functions of personnel management include recruitment, training, performance evaluation, compensation, welfare activities, and collective bargaining. The objectives of personnel management are to help achieve organizational goals, provide job satisfaction and opportunities for employees, and benefit society. Principles that guide personnel management include maximizing employee development, scientific selection processes, maintaining high employee morale, respecting the dignity of labor, and fostering team spirit.