Background: A skill training course on emotional intelligence is primary when it comes to nursing practice, contradicting the result of a particular research, exposing the fact that ample numbers of nurses are lacking the adequacy of interpersonal relationship which remains ignored instead. In consequence, a strategy in increasing nurses’ interpersonal relationship style through a training program is viewed as necessary. The aim of the study was to recognize training course on emotional intelligence (TCEI) effect of nurses’ interpersonal relationship style on Tabanan General Hospital.Methods: This research was designed as quasi-experiment including both pre-test and post-test with the use of control group. The corresponding population was all 78 nurses at the agency of Tabanan General Hospital determined by a technique of total sampling. The method to teach emotional intelligence includes both techniques of exploration and reflection, for instance brain storming, question and answer session, case analysis, small group discussion, and critical thinking on emotionality. The instrument used was interpersonal style inventory rating scale questionnaire with its validity and reliability been tested.Results: The result of this research exposes the presence of TCEI effect nurses’ interpersonal relationship style on Tabanan General Hospital with the value of p≤0.0001. In addition, it as well shows an increasing score in regard with the TCEI. Concluding from the statistic test using Wilcoxon, it is stated the said increasing score is worth p≤0.0001.Conclusions: The TCEI has been proven to have an influence on nurses’ interpersonal relationship style on Tabanan General Hospital.