The subject of this thesis is stress management. Stress is a phenomenon that occurs with each person, either in private or business life. There are many conducted researches and known facts about this theme. Considering that stress happens both in private and business life, both phenomena are described, but the thesis focuses more on the business life of an individual. The goal of this thesis is to show stress as today's disease, examine it closer and find solutions to prevent and heal stress. The very beginning of the thesis is based on defining the basic concepts of stress, the symptoms and therapy, it's connection with depression etc. After the basic information, the thesis analyzes quality methods, which will help people in dealing with stressful situations. Every worker experiences stress in their work place, but the manager is exposed to it the most. He is the person who has to cope with his personal stress, as well as stressful situations that his workers go through individually. That's what leads to the so called manager's disease. The methods of preventing and healing that disease are also listed. It is important to note that stress is a common and serious phenomenon in people's everyday lives and that's why a lot more attention needs to be dedicated to this subject.