Abstract:

There is a close relationship between personality traits and employees’ happiness. A relatively sound and mature personality is the basis of mental health and an important condition for obtaining subjective well-being and psychological well-being. In the field of human resource management，happiness makes employees have a higher sense of identity and loyalty to the enterprise，which will significantly improve the efficiency of the enterprise. To achieve sustainable happiness，employees must possess a number of personality elements，including improving self-awareness，defining life goals，having a positive way of thinking，using mature defense mechanisms，pursuing self-respect and self-improvement，and forming good interpersonal relationships.

Key words: happiness, personality traits, mental health, human resources management, employees