This study aims to determine the effect of work ethic and communication toward work performance of employees of the South Nias Regency Environmental Service. This research is a quantitative type with multiple linear regression analysis tools, the number of respondents is 34 employees. The type of data is primary data, and data collection uses a questionnaire method. The results of the regression test showed that partially the work ethic and communication, each partially had a positive and significant effect on work performance. Simultaneous testing shows that Work Ethic and Work Communication together have a Positive and Significant influence on Work Performance.