Abstract: Shaping a good knowledge image is not only the internal requirement of ideological and political course teachers in colleges and universities to improve their knowledge literacy， but also the objective need of vigorously promoting the construction of ideological and political course in colleges and universities in the new era and optimizing the overall ideological and political course teachers. Although political nature is the essential attribute of ideological and political courses in colleges and universities， its important function of knowledge education cannot be ignored. Therefore， the teachers of ideological and political courses in colleges and universities must achieve a high level of academic rationality by shaping a good knowledge image. At the same time， the shaping of its knowledge image is not only the “internal work” of mastering and researching knowledge， but also the “external work” of transmitting knowledge. However， among the teachers of ideological and political courses， there are generally bad knowledge images， which are mainly reflected as “discussing horses in the context of horses” lacks depth， “talking about horses from the perspective of horses” fails to be vivid， and “studying horses from the viewpoint of horses” is not profound enough. In order to build and overall optimize the good knowledge image of ideological and political course teachers in colleges and universities， it is necessary to make continuous efforts and work for a long time in three aspects： subject consciousness， school policy support and rigid system standard， so as to ensure that the ideological and political course teachers in colleges and universities have deep knowledge grasp， strong knowledge transfer and sharp knowledge research.