Abstract: Authenticity refers to the extent to which people are just themselves. Authenticity is closely related to the self and is one of the important factors influencing individual mental health. The article summed up the authenticity researches on the conception, the structure, measurements and research focuses. Pointed out that several issues should be further studied, namely the authenticity structure, effect variables and its influence mechanism on individual mental health.

Key words: authenticity, authenticity in relationship, self, mental health