This study aimed to assess the relationship between aggression toward psychiatric nurses and patient satisfaction about the quality of care. Design: Adescriptive correlational design was used in this study. Settings: Minia Hospital for Psychiatric Health and Addiction Treatment. Participants: a convenience sample of (100) psychiatric inpatients hospitalized during the study duration. All nurses working (on duty) in the psychiatric wards (2018), their total number was(54). Methods: tools used in this study  werePerception of Prevalence of Aggression Scale POPAS questionnaire, Impact of Patient Aggression on Careers Scale, while patients completed Rome Opinion Questionnaire for Psychiatric Wards' (ROQ-PW) to measure their satisfaction about the  quality of care. Results: Verbal abuse was the highest form of aggression(74%), Whilesexual assault was at the least level(2.3%).Around half ofnurses reportedhigh impact of aggression.Relation impairment between patients and nurses was the most effect of aggression on nurses(51%). The lowest level of satisfaction was in the area of staff professionalism (10.4±2.3). Conclusions: there wasa highly Significant negative correlation between aggression toward psychiatric nurses and satisfaction about the quality of care (p=.003), and ahighly positive correlation between aggression toward psychiatric nurses and the total impact of aggression on health careier (p=.000).Recommendation: provide continouse training program onhow to deal with aggressive patient, increase security, video monitoring, and creating workplace violence prevention committees.