Building a culture of safety in today's healthcare settings is a critically important issue. Therefore, collaboration is acknowledged as a significant policy method for approaching patient safety and healthcare workforce problems and altering the health system (World Health Organization, 2013). Collaboration has become a crucial element in different healthcare environments, with the end result of improving the standard and health outcomes of patient care (Hughes & Fitzpatrick, 2010). Collaboration is a complicated task involving active communication, individual awareness, and united responsibility in caring for patients (Shohani & Valizadeh, 2017). Ineffective collaboration has established stressful working environments that contribute to work dissatisfaction, poor patient outcomes, and nurses departing the profession (Tang, Zhou, Chan, & Liaw, 2018). In fact, poor collaboration is estimated to be the core cause of more than 70% of major medical incidents (Fewster-Thuente, 2015). Nurse-nurse collaboration is a difficult and multidimensional process that cannot happen by itself. A number of factors contribute to nurse-nurse collaboration, emotional intelligence being a primary factor.It is believed that emotional intelligence is the pipeline for improving the relationships and channels of communication between nurses. Furthermore, studies