Yes Zhang Yu has published many papers in national core journals, and has a high research level and rich practical experience in the field of mathematics, which is helpful to grasp the direction and difficulty of the proposition. She has participated in the proposition of many postgraduate mathematics disciplines, including 9 courses such as probability theory and mathematical statistics. Zhang Yu is a math teacher. He took the postgraduate entrance examination of Qihang University. She graduated from China University of Mining and Technology and worked as a counselor in Xu Hai College of China University of Mining and Technology. She graduated from the University of Mining and Technology with a master's degree in engineering mechanics, and later entered Qi Hang Institute of Education to teach postgraduate mathematics.