This study takes the innovative method of college students’ ideological and political education as the research objective, and uses literature analysis method, subject reference method, questionnaire method and other research methods to investigate and analyze the role played by the official WeChat public platform of colleges and universities in Shanxi Province in ideological and political education with a variety of data statistical analysis methods based on the brief description of the official WeChat ideological and political education and the operation mode of universities and colleges. From the perspective of cognition science of ideology, the study makes an objective analysis of the application of official WeChat in ideological and political education in colleges and universities and its shortcomings, and based on this, puts forward some strategies for enhancing the effectiveness of official WeChat in ideological and political education in colleges and universities in combination with the cognitive psychology of college students.