Du: Professor, Graduate Tutor, School of Medicine, Xi Jiaotong University. Engaged in the teaching and research of histology and embryology for more than 30 years. In teaching, he paid special attention to the research of teaching methods and published 6 teaching papers. Ability to teach students in accordance with their aptitude at different levels; In teaching, according to the syllabus, the key points are prominent and the difficulties are thoroughly explained. The teaching language is humorous, can arouse students' enthusiasm, is well received by students, and has excellent teaching effect.