Abstract: A total of 2 594 college students were investigated using the self-designed questionnaire. This study examined the link between parental national identity and their children's national identity, and the mediating effect of psychological needs satisfaction and the moderating effect of psychological capital therein. The results showed that: (1) Parental national identity was significantly and positively correlated with college students' national identity; (2)The relationship between parental national identity and college students' national identity was mediated by psychological needs satisfaction; Namely, the positive effect of parental national identity on college students' national identity works by psychological needs satisfaction; (3) Moreover, this indirect effect was significant moderated by psychological capital. Specifically, this indirect link was stronger for adolescents with high psychological capital than for those with low psychological capital. These findings suggest that psychological needs satisfaction is an important underlying mechanism help to understanding intergenerational transmission of college students' national identity. Furthermore, high psychological capital can help to promote this college students' intergenerational transmission indirect mechanism of college students' national identity.