Purpose: the purpose of this study is to investigate how managers working for the General Authority for Irrigation and Reclamation Projects react to the impact of Emotional Intelligence (EI) on their performance.   Theoretical framework: The current study includes an intellectual framework on two variables, namely EI and Manager Performance (MP), because it is essential to investigate the relationship between these two variables and the impact of EI on MP.   Design/methodology/approach: The research problem is that a manager's capacity to make wise decisions about their work or interactions with subordinates is diminished when they have inadequate EI. The questionnaire is used as a tool for gathering data for the study, and the statistical program (SPSS.v25) is applied to process the data.   Findings: The findings supported the main hypothesis of the study and demonstrated that positive thinking has a significant and statistically significant impact on self-esteem   Research, Practical & Social implications: that managers work to control their emotions when faced with issues and situations that cause them to become angry, such as those brought on by work pressure or the shortcomings of some subordinates.   Originality/value: There is no study that dealt with the measurement of variables as in our study in the environment of Iraq. Also, the results are considered useful to the study sample company, as they were applied for the first time at the level of variables in the sample examined.