This study gives much emphasis on causes and consequences of employees’ turnover in commercial bank of Ethiopia. The banking industry in Ethiopia dominated by this public bank and its branches spread throughout the country while the government also opened the door for private investors to engage in the industry since the dawn fall of the Dergue Regime. While employee turnover dramatically increased after the private sector engaged in the industry. The study also tries to examine the consequences of employee turnover in detailed manner. The researcher employed descriptive survey research method to reveal the current state of turnover, consequence and management in CBE. Descriptive survey design helped the study to gather varieties of data to achieve the objectives of the study by describing the situation as it is. The research methods used for this study were both qualitative and quantitative approaches were utilized in order to describe the issue very well. This method was selected because it is planned method of data collection which helps to gather the necessary information on the issue under study. The study also employed stratified random sampling techniques for current employees. Stratified sampling was employed to achieve representation of the respondents. The respondents are stratified on the basis of the bank’s job category. The sample frame of the study is the lists of employees of the bank, which are 258 from selected branches. The study found that low salary and benefit, unsuitable working environment, lack of recognition and bad relationship with superiors are among the causes of employee turnover in the bank. Loss of highly specialized work force, high hiring and training costs are identified as the main consequences of employees turnover.