An organization in carrying out its activities to achieve the desired goals needs good management, especially human resources. Human resources are the main capital in planning, organizing, directing and driving factors that exist within a company. Good human resource management is expected to be able to produce optimal performance for the organization. This study aims to determine whether work stress and work environment affect employee morale through work discipline as an intervening variable at the Labuhanbatu District Education Office . The research was conducted on 36 employees using a saturated sampling technique. The data collection technique used was primary data in the form of questionnaires and secondary data obtained through documentation studies. The data analysis technique used quantitative data which was processed using the SPSS version 25 program, namely the t test, Sobel test and path analysis. The results obtained in this study show 1) there is a significant effect between work stress on work discipline , 2) there is a significant effect between work environment variables on work discipline , 3) there is a significant effect between work stress variables on morale , 4) there is a significant effect between work environment variables on work morale , 5) there is a significant influence between work discipline variables on work morale , 6) work discipline variables cannot influence work stress variables on morale , 7) work discipline variables cannot influence work environment variables on morale.