Eisenstein begins teaching directing and film theory at VGIK, the State Institute of Cinematography in Moscow. He becomes an influential mentor to many young filmmakers, sharing his innovative ideas on montage, mise-en-scène, and cinematic storytelling.

Eisenstein is a prolific writer on film theory, publishing numerous essays and books that articulate his ideas about montage, intellectual cinema, and the psychology of perception. His writings become essential reading for film students and scholars worldwide.

In his later years, Eisenstein explores the connection between art and psychology and develops the theory of visual thinking. He investigates the ways in which images evoke emotions and shape our understanding of the world. This research influenced his film style as well as the future of cinema.