Zhixue Com is a personalized teaching system of big data launched by Iflytek, which meets the needs of school daily homework, exams and developmental teaching and learning evaluation. It aims to provide users with more simple and easy-to-use system operation and comprehensive and perfect resource services, fully tap the value of campus examinations through big data analysis, and provide targeted teaching and personalized chemical information environment and services for every teacher and student through the comprehensive solution of PC and mobile based on cloud services. "Xue Xin. Com is the abbreviation of "Xue Xin". com”。 People who don't contact often can't react at once. Its full name is China Higher Education Student Information Network, or Xue Xin Network for short. "Xue Xin. Com is the only website designated by the Ministry of Education to inquire about academic qualifications, the website designated by the Ministry of Education's sunshine project for college enrollment, and the website designated by the national postgraduate enrollment adjustment. After 2000, students who have been admitted or graduated from colleges and universities can inquire about their school status and other related information from Xue Xin.