This study is concerning in examining disorders and psychosomatic diseases for their crucial impact on society. The study's purpose is to identify the relationship between quality of life and the emergence of psychosomatic diseases  to be administered on various classes of society in Great Cairo. The study counts on the descriptive (qualitative)–analytical method. Some theoretical approaches have tackled with reasons leading to the emergence of disorders and psychosomatic diseases which have their passive effect on society. The study is implemented on a sample consisting of (120) items, using two scale, Scale of Quality of Life and Scale of the Psychosomatic Diseases, reaching these results: 1-   There is a significant relationship between quality of life and the emergence of psychosomatic diseases. 2-   There is a significant relationship between personality traits and a person's aptitude for psychosomatic diseases. There is a significant relationship between quality of life of a person and his personality traits.