Holding class in the evening, he taught them chemistry, anatomy and physiology. Among the many outstanding new doctors he nurtured in this way was Yen Cheng-sheng, father of Yen Chun-hui, a former director-general of the Department of Health.
他利用傍晚的時間教授化學、解剖學和生理學，培養出不少傑出的醫師，像前衛生署署長嚴春輝的醫師父親──嚴振聲就是他的學生。