The bachelor thesis has to define the theoretical knowledge in human resource management and then to compare these findings with the practical aspects of personnel management company. The work is divided into two parts, which is devoted to the historical development of HR activities, followed by the theoretical definition is the principle of selection and training of human resources. The next part describes the practical aspect of human resources in the enterprise, analyzes the process of searching human resources, education and skills. The actual conclusion highlights the differences between theoretical and practical knowledge.