Why doesn't Pan Dongyin practice?

The piano lesson taught by teacher Pan Dongyin is practiced by many people. According to relevant public information, Pan Dongyin teaches piano in the Music Department of Hangzhou Normal University, and many students study. Pan Dongyin was born in Zhoushan City, Zhejiang Province, and graduated from the Music Department of Hangzhou Normal University. Professor of Music Department of Hangzhou Normal University, mainly teaching piano.