The investment value that has been made by South Korea in Indonesia has increased, companies in the field of textiles and shoes require more female workers than men. Workers' loyalty will have a positive impact on the workers who can be affected by the increase in employee performance in developing the company. The purpose of this study is to analyze the factors that influence the loyalty of female workers who work in Korean companies. This research method is quantitative with data collection techniques using questionnaires, interviews, and direct observation to South Korean companies in Indonesia. The statistical test used is Regression Analysis. The results of this study that work discipline affects loyalty, career development influences loyalty, work motivation affects loyalty and workload has no effect on loyalty.