Symmetries play a vital role in multimedia-aided art teaching activities. The relevant teaching systems designed with a social network, including the optimized teaching methods, are on the basis of symmetry principles. In order to study art teaching, from the perspective of the teaching organization form, combined with the survey method, multimedia-aided art classroom teaching was explained in detail. Based on the symmetrical thinking in art teaching, the multimedia-aided teaching mode of art classroom was discussed. The reasons for the misunderstanding of multimedia-aided art teaching were analyzed, and the core factors affecting the use of multimedia art teaching were found. In art teaching, more real pictures were shown aided by multimedia; students could experience the beauty of symmetrical things in real life and were guided to find the artistic characteristics of these kinds of graphics, analyze them, and summarize them. The results showed that this method enriched the art multimedia teaching theory and improved the efficiency of art teaching. The blind use of multimedia technology by teachers in art classroom teaching was avoided. Therefore, the method can develop individualized teaching, develop students’ potential, and cultivate innovative consciousness and practical ability.