Developing a talent pool is an ongoing challenge for all of the company as they strive to remain ahead of the competition and the global market, managing and improving the wellbeing of the talent employee in the company is the priority in this issue, because well-being of the employee is associate with a number of positive outcomes in the workplace, the company cannot grow and develop without a fully advance program that improve the wellbeing of employee, the thesis discuss the influences of various factors on the well-being of the employees, and more deeply explore the why they have different impacts on employee well-being. Firstly, this dissertation methodically review the advancement of history and relevant research on employee well-being; secondly it provides a framework and reviews the theories of the factors that exert influence on the employees’ well-being and the diversified consequences that come along with; thirdly, we analyze the effect of different factors, such as socio-demographic and job characteristics, and motivational values on employees’ well-being with the purpose of pointing out more promising ways to improve employees’ well-being. The data is adopted from the European Social Survey 2010. Different statistical methods such as descriptive measures, hypotheses testing, principal components analysis and linear multiple regression modeling are used to analyze the data and interpret the results. The main conclusion of this thesis is that the difference of external factors like gender, age, education, remuneration, and balance between work and family, relationship between employee and supervisor, can lead to different levels of employees’ well-being. Internal factors like positive employees values can predict and generate the desired organizational outcome, such as increase employees’ well-being, satisfaction and organisational commitment. Job characteristics are external factors that also have a strong influence on wellbeing: the more abundant the content of job characteristics, the higher positive perceptions can be felt by employees.