Violence is one of the most uncontrollable social phenomena that exist in the life of all countries, which affect all professions and vocations in society, individuals of all ages and ethnic groups. The violence that is seen in health institutions is discussed in terms of verbal or behavioral threats, physical or sexual assaults that place health professionals at risk and are directed at healthcare workers by patients, patients' families or any other individuals. As violent acts against healthcare workers are more frequently encountered the issue of violence in the realm of healthcare services continues to grow in significance to the extent that healthcare personnel are at constant risk of being targets of violence. Healthcare workers become victims of violence committed by their colleagues, as well as patients and patients' relatives, consequently they are suffering from physical and psychological harms. In order to prevent violence in health sector; in addition to ensuring the security, the adequacy of personnel, improvements in physical facilities and equipment, communication, and education, legal regulations against acts of violence should be implemented. This article was written to call attention to the importance of preventing violence so as to offer qualified healthcare services, and enable healthcare workers to work with high motivation in safe hospital environments.