As a theory of psychology, humanistic theory is fully feasible and necessary to be applied in ideological and political education. It fits the humanistic concept of ideological and political education and meets the new needs of ideological and political education practice, and at the same time, with the help of the development of modern educational technology, it provides personalised and interactive teaching methods, which can improve the effect of ideological and political education and promote the all-round development of the educated. Specifically, humanistic theory can be applied to the interactive relationship, teaching process, feedback regulation and other aspects of ideological and political education to improve the effectiveness of ideological and political education.