Construction of Teaching Case Library of “Education Message Technology Special Topic” based on GeoGebra

Case teaching is an important way to promote the organic integration of teaching and practice, and an important means to promote the reform of the training mode of professional degree postgraduates. This paper first discusses the significance of the construction of the case base of "Education Message Technology Special Topic" course, then it gives the implementation process of case base construction from four aspects, such as teaching case design principle, teaching case design method, concrete case construction content, concrete case display and evaluation, finally, the expected results and prospects are outlined in detail.