In order to improve the efficiency of resource sharing, this paper introduces cloud computing technology and develops a sharing platform for Civics and Political Science teaching resources based on cloud computing technology. A specific implementation of the cloud computing-based educational resource sharing program is carried out, starting with the hardware and software environment, then moving on to network configuration, and finally verifying the operation results. By comparing the performance with other sharing platforms, the number of requests processed per unit of time and the average response time of the sharing platform designed in this paper is higher than the data of the traditional control platform. The average value of resource sharing agility is higher than the traditional sharing system by 0.128. The average value of the resource sharing degree of the design sharing system in this paper is higher than the traditional sharing system by 0.2, and the efficiency, breadth, as well as depth of resource sharing are significantly better than the traditional sharing system. A questionnaire survey was conducted to examine the perception and use of the cloud computing platform for sharing. 61.67% of the students were interested in the employment examination and research column, which indicates that the educational sharing resources of the platform are in line with the student’s situation and meet their demand.