The affinity of ideological and political education in colleges and universities is an important index to measure the effect of ideological and political education. The improvement of affinity is the internal requirement of ideological and political education in colleges and universities. In the current ideological and political education activities, facing multiple challenges such as insufficient attraction and weak effectiveness, the improvement of affinity is particularly necessary. To enhance the affinity of ideological and political education in colleges and universities, we should realize the organic unity of the affinity of ideological and political education content, the affinity of ideological and political teachers’ personality and the affinity of ideological and political education form based on adhering to the principles of people-oriented, keeping pace with the times and interest.