Abstract: The exploration and practice of well-being “have a long past and only a short history”.In the psychological sense,as the main components of well-being,subjective well-being,psychological well-being,and social well-being are closely related to people's mental health factors,such as study and life,feelings and emotions,self-awareness,interpersonal relationships,as well as social adaptation.Moreover,mental health itself is just a state of happiness,which makes it directly related to well-being.In fact,from the perspective of connotation,mental health and well-being are equally matched;from the perspective of source,mental health needs the support of well-being;from the perspective of goals,well-being is an important value goal of mental health;from the perspective of result,mental health is the intermediary product of well-being.In a word,well-being is the essential characteristic and core element of mental health.It can be said that it is the unremitting pursuit of well-being that makes people begin to pay attention to mental health.Meanwhile,life can thereby complete a qualitative leap.Obviously,the sense of well-being and mental health interact with each other.What's more,well-being has become a new interpretation and a new signpost of mental health.

Key words: well-being, mental health, subjective well-being, psychological well-being, social well-being