Yu Changye, male, born in March, 1974, senior middle school teacher. I graduated from the Mathematics Department of Taizhou Normal University with a bachelor's degree, and graduated from the mathematics postgraduate class of Zhejiang Normal University. He has won honors such as excellent teachers in Jiaojiang District, star-rated teachers, teaching experts in Taizhou City, excellent instructor award in national mathematics competition, and advanced workers in educational equipment in Zhejiang Province. He has made outstanding achievements in senior high school entrance examination, national examination, college entrance examination and subject competition, presided over 3 provincial and municipal planning topics, and 7 teaching papers were published or won prizes in provincial and municipal professional journals.