Advanced mathematics for educational technology specialty. By inquiring about the fourth curriculum system of "Introduction to Educational Technology" issued by official website Institute of Educational Information Technology, we can know that there are two curriculum series of educational technology: formal courses and informal courses. Among the formal courses, there are six courses: general education, general education, public compulsory education, professional education, graduation practice and free elective courses. The main education courses include core compulsory courses and elective compulsory courses, and the core compulsory courses include advanced mathematics, basic mathematics experiments and other courses; Specialized compulsory courses include introduction to educational technology, basic programming, principles and technologies of multimedia systems, college physics and other courses. To sum up, the major of educational technology is advanced mathematics.