The phenomenon of psychological harassment is a phenomenon that has been frequently heard in recent years and directly affects the efficiency of the institutions and the communication, loyalty, and organizational climate among the employees. The concept of psychological harassment, which we encounter in working life, is established on the employee, systematically progressing, negatively affecting the employee and his performance; Beyond that, it is a type of behavior that causes unpleasant consequences for the person and at work. It is possible to say that although psychological harassment in workplaces is not a common phenomenon worldwide, its frequency in our country has increased. In this study, the phenomenon of psychological harassment (mobbing), which is common in public and private institutions, infiltrates organizations like a disease and causes great victimization and negative consequences, and what it brings with it is examined; The course, data and examples of harassment in public and private institutions were analyzed. The aim of the study is to analyze the incident subject to psychological harassment and to determine the effects and solutions on the organizational and victims.