It's quite challenging. Nanjing Normal University is very good, and its educational technology is in the forefront. As for subjects, there are C language and Web technology, as well as instructional design and data structure. Regarding the direction, there are visual culture and information technology teaching, educational data mining and intelligent processing, educational games and 3D modeling. Choose what interests you. Specifically, you can't listen to others. You should go to the postgraduate entrance examination website of Nanjing Normal University, so as to be guaranteed. If you can get in, it would be really great! Come on!