The role of the formation of knowledge and their understanding in the development of creative thinking of the student is determined. A new approach is proposed in the process of creating educational materials with the need to enrich them with Internet resources for the development of creative thinking. The qualities of a person characterizing the level of development of his mental functions are determined – this is the ability to analyze, compare, generalize, concretize, classify, plan, abstract. A particularly significant role in the development of a student's creative thinking is demonstrated by the example of studying physics.