This thesis analysis the topic of safety and health protection in the workplace. Questions of existence often prevent us from making changes. Sometimes we would like to quit our job, but we are unable to because it's our source of income, and we cannot immediately find another one to cover our living expenses. Because of this, we give up searching, that is, we lose an opportunity for a change that would improve our quality of life. Success requires our own activity, and often due to our personal insecurity, we don't dare to leave the "safe harbor". At the beginning of the thesis, various factors affecting mental health are listed. Quality and various factors such as the working environment, performance of tasks, good relations with colleagues, better communication, good organization, good working conditions help to a large extent in preserving the mental health and work ability of employees. In the central part, the measures and prevention of mental health of workers are explained. At the end of the paper, psychodynamic teaching is explained, the goal of which is personal development with an emphasis on interpersonal relationships. A deeper analysis of the workers, i.e. research into personal history, which would provide a clearer explanation of the present.