Physical activity is defined as any bodily movement produced by skeletal muscles and carried out by the muscles that need energy consumption above resting levels; while physical exercise is one kind of physical activity which is planned, structured and intentional movement. Physical inactivity is one of the leading risk factors for premature death and chronic disease. The term inactivity implies a state of insufficient physical activity either in an intensity, a duration or a frequency to keep up a normal function and a motor control of a movement. Implementation of any kind of physical activity will have positive benefits in all aspects of life, including psychological aspects and a physical health. The most often recommedation is 150 minutes of physical activity, moderate intensity or 75 minutes of physical activity with high intensity per week. The quality of life is an individual’s personal perspective in terms of overall well-being and satisfaction. The quality of life is a multidimensional concept and includes living standards, health, safety, productivity, etc. It consists of subjective and objective factors, and it can be said that the quality of life consist of five dimensions: physical well-being, material well-being, emotional well-being, social wellbeing, development and activity. Although, a physical activity primarily affects a physical condition and health, it is also an initiator of mental state. Each person has a need for physical activity, and it is also a need to make a stable mood, emotional managing, coping with stress positively, etc. Some effects of physical activity that are a part of a mental health are achieving a normal sleeping rhythm, higher level of self-confidence and self-esteem and stable mental health. Physical activity and better perception of a healthy and improved selfimage are positively related. It is very important to encourage people to have any kind of physical activity, promote the importance of physical activity and emphasize the importance of physical activity due to the positive effect on the health and quality of everyday life. The aim of this thesis is to decide whether physical activity has a positive effect on quality of life of a woman in younger age. K